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1372075157 = 1638839533
BaseRepresentation
bin101000111001000…
…0011010010010101
310112121210122021102
41101302003102111
510302222401112
6344052155445
746000306055
oct12162032225
93477718242
101372075157
11644556412
12323608b85
1318b3521bb
14d0323565
15806cabc2
hex51c83495

1372075157 has 8 divisors (see below), whose sum is σ = 1382201184. Its totient is φ = 1361970288.

The previous prime is 1372075147. The next prime is 1372075207. The reversal of 1372075157 is 7515702731.

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

It is a cyclic number.

It is not a de Polignac number, because 1372075157 - 26 = 1372075093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372075157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372075147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139163 + ... + 148695.

It is an arithmetic number, because the mean of its divisors is an integer number (172775148).

Almost surely, 21372075157 is an apocalyptic number.

It is an amenable number.

1372075157 is a deficient number, since it is larger than the sum of its proper divisors (10126027).

1372075157 is an equidigital number, since it uses as much as digits as its factorization.

1372075157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579.

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 1372075157 is about 37041.5328651502. The cubic root of 1372075157 is about 1111.2010258543.

Adding to 1372075157 its reverse (7515702731), we get a palindrome (8887777888).

The spelling of 1372075157 in words is "one billion, three hundred seventy-two million, seventy-five thousand, one hundred fifty-seven".

Divisors: 1 163 883 9533 143929 1553879 8417639 1372075157