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1397052627 = 3465684209
BaseRepresentation
bin101001101000101…
…0101010011010011
310121100210121220220
41103101111103103
510330121141002
6350343404123
746422515505
oct12321252323
93540717826
101397052627
11657666353
1232ba53643
13193589079
14d3785d75
15829b17bc
hex534554d3

1397052627 has 4 divisors (see below), whose sum is σ = 1862736840. Its totient is φ = 931368416.

The previous prime is 1397052617. The next prime is 1397052647. The reversal of 1397052627 is 7262507931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1397052627 - 211 = 1397050579 is a prime.

It is a super-2 number, since 2×13970526272 = 3903512085215202258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397052617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232842102 + ... + 232842107.

It is an arithmetic number, because the mean of its divisors is an integer number (465684210).

Almost surely, 21397052627 is an apocalyptic number.

1397052627 is a deficient number, since it is larger than the sum of its proper divisors (465684213).

1397052627 is an equidigital number, since it uses as much as digits as its factorization.

1397052627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465684212.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1397052627 is about 37377.1671880040. The cubic root of 1397052627 is about 1117.9033444345.

The spelling of 1397052627 in words is "one billion, three hundred ninety-seven million, fifty-two thousand, six hundred twenty-seven".

Divisors: 1 3 465684209 1397052627