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1357707401 = 13756917417
BaseRepresentation
bin101000011101100…
…1111100010001001
310111121202200102022
41100323033202021
510240033114101
6342420214225
745434215421
oct12073174211
93447680368
101357707401
11637432736
1231a83a375
1318839157b
14cc463481
157e2dda1b
hex50ecf889

1357707401 has 8 divisors (see below), whose sum is σ = 1370099880. Its totient is φ = 1345351168.

The previous prime is 1357707391. The next prime is 1357707409. The reversal of 1357707401 is 1047077531.

It can be written as a sum of positive squares in 4 ways, for example, as 340033600 + 1017673801 = 18440^2 + 31901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1357707401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357707409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69245 + ... + 86661.

It is an arithmetic number, because the mean of its divisors is an integer number (171262485).

Almost surely, 21357707401 is an apocalyptic number.

It is an amenable number.

1357707401 is a deficient number, since it is larger than the sum of its proper divisors (12392479).

1357707401 is a wasteful number, since it uses less digits than its factorization.

1357707401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18123.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 1357707401 is about 36847.0813091078. The cubic root of 1357707401 is about 1107.3087416417.

The spelling of 1357707401 in words is "one billion, three hundred fifty-seven million, seven hundred seven thousand, four hundred one".

Divisors: 1 137 569 17417 77953 2386129 9910273 1357707401