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1452094420 = 225722322801
BaseRepresentation
bin101011010001101…
…0011001111010100
310202012101001001211
41112203103033110
510433214010140
6400031231204
750661412300
oct12643231724
93665331054
101452094420
11685740037
12346378504
131a1abb28a
14dabd2d00
15877352ea
hex568d33d4

1452094420 has 108 divisors (see below), whose sum is σ = 3709517364. Its totient is φ = 476044800.

The previous prime is 1452094393. The next prime is 1452094453. The reversal of 1452094420 is 244902541.

It can be written as a sum of positive squares in 2 ways, for example, as 630813456 + 821280964 = 25116^2 + 28658^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 517020 + ... + 519820.

It is an arithmetic number, because the mean of its divisors is an integer number (34347383).

Almost surely, 21452094420 is an apocalyptic number.

1452094420 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 1452094420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1854758682).

1452094420 is an abundant number, since it is smaller than the sum of its proper divisors (2257422944).

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

1452094420 is a wasteful number, since it uses less digits than its factorization.

1452094420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1452094420 is about 38106.3566875659. The cubic root of 1452094420 is about 1132.3958928190.

Adding to 1452094420 its reverse (244902541), we get a palindrome (1696996961).

The spelling of 1452094420 in words is "one billion, four hundred fifty-two million, ninety-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 49 70 92 98 115 140 161 196 230 245 322 460 490 529 644 805 980 1058 1127 1610 2116 2254 2645 2801 3220 3703 4508 5290 5602 5635 7406 10580 11204 11270 14005 14812 18515 19607 22540 25921 28010 37030 39214 51842 56020 64423 74060 78428 98035 103684 128846 129605 137249 196070 257692 259210 274498 322115 392140 450961 518420 548996 644230 686245 901922 1288460 1372490 1481729 1803844 2254805 2744980 2963458 3156727 4509610 5926916 6313454 7408645 9019220 10372103 12626908 14817290 15783635 20744206 29634580 31567270 41488412 51860515 63134540 72604721 103721030 145209442 207442060 290418884 363023605 726047210 1452094420