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1454442400 = 255219103929
BaseRepresentation
bin101011010110001…
…0000011110100000
310202100210022220001
41112230100132200
510434314124100
6400153425344
751020361565
oct12654203640
93670708801
101454442400
11686aa4114
1234710b254
131a2430c08
14db24486c
1587a4ad6a
hex56b107a0

1454442400 has 144 divisors (see below), whose sum is σ = 3777883200. Its totient is φ = 545218560.

The previous prime is 1454442397. The next prime is 1454442427. The reversal of 1454442400 is 42444541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1565136 + ... + 1566064.

It is an arithmetic number, because the mean of its divisors is an integer number (26235300).

Almost surely, 21454442400 is an apocalyptic number.

1454442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1454442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888941600).

1454442400 is an abundant number, since it is smaller than the sum of its proper divisors (2323440800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1454442400 is a wasteful number, since it uses less digits than its factorization.

1454442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1454442400 is about 38137.1524894033. The cubic root of 1454442400 is about 1133.0059107986.

Adding to 1454442400 its reverse (42444541), we get a palindrome (1496886941).

The spelling of 1454442400 in words is "one billion, four hundred fifty-four million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 103 152 160 190 200 206 304 380 400 412 475 515 608 760 800 824 929 950 1030 1520 1648 1858 1900 1957 2060 2575 3040 3296 3716 3800 3914 4120 4645 5150 7432 7600 7828 8240 9290 9785 10300 14864 15200 15656 16480 17651 18580 19570 20600 23225 29728 31312 35302 37160 39140 41200 46450 48925 62624 70604 74320 78280 82400 88255 92900 95687 97850 141208 148640 156560 176510 185800 191374 195700 282416 313120 353020 371600 382748 391400 441275 478435 564832 706040 743200 765496 782800 882550 956870 1412080 1530992 1565600 1765100 1818053 1913740 2392175 2824160 3061984 3530200 3636106 3827480 4784350 7060400 7272212 7654960 9090265 9568700 14120800 14544424 15309920 18180530 19137400 29088848 36361060 38274800 45451325 58177696 72722120 76549600 90902650 145444240 181805300 290888480 363610600 727221200 1454442400