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1401045200 = 24527347981
BaseRepresentation
bin101001110000010…
…0100000011010000
310121122022110200222
41103200210003100
510332131421300
6351005132212
746501454612
oct12340440320
93548273628
101401045200
11659942aa5
1233125a068
13194356439
14d4104db2
1582eee785
hex538240d0

1401045200 has 60 divisors (see below), whose sum is σ = 3412191948. Its totient is φ = 552729600.

The previous prime is 1401045193. The next prime is 1401045223. The reversal of 1401045200 is 25401041.

It can be written as a sum of positive squares in 6 ways, for example, as 76667536 + 1324377664 = 8756^2 + 36392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5210 + ... + 53190.

Almost surely, 21401045200 is an apocalyptic number.

1401045200 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 1401045200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706095974).

1401045200 is an abundant number, since it is smaller than the sum of its proper divisors (2011146748).

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

1401045200 is a wasteful number, since it uses less digits than its factorization.

1401045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48072 (or 48061 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1401045200 is about 37430.5383343601. The cubic root of 1401045200 is about 1118.9672665637.

Adding to 1401045200 its reverse (25401041), we get a palindrome (1426446241).

The spelling of 1401045200 in words is "one billion, four hundred one million, forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 73 80 100 146 200 292 365 400 584 730 1168 1460 1825 2920 3650 5840 7300 14600 29200 47981 95962 191924 239905 383848 479810 767696 959620 1199525 1919240 2399050 3502613 3838480 4798100 7005226 9596200 14010452 17513065 19192400 28020904 35026130 56041808 70052260 87565325 140104520 175130650 280209040 350261300 700522600 1401045200