Search a number
-
+
152111131 = 1938320903
BaseRepresentation
bin10010001000100…
…00100000011011
3101121020001020121
421010100200123
5302420024011
623032134111
73524631454
oct1104204033
9347201217
10152111131
1178954387
1242b37337
132568aab3
14162b812b
15d549e71
hex911081b

152111131 has 8 divisors (see below), whose sum is σ = 160542720. Its totient is φ = 143722152.

The previous prime is 152111123. The next prime is 152111137. The reversal of 152111131 is 131111251.

It is a happy number.

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 152111131 - 23 = 152111123 is a prime.

It is a super-2 number, since 2×1521111312 = 46275592348198322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152111137) 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, 3175 + ... + 17728.

It is an arithmetic number, because the mean of its divisors is an integer number (20067840).

Almost surely, 2152111131 is an apocalyptic number.

152111131 is a deficient number, since it is larger than the sum of its proper divisors (8431589).

152111131 is a wasteful number, since it uses less digits than its factorization.

152111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21305.

The product of its digits is 30, while the sum is 16.

The square root of 152111131 is about 12333.3341396396. The cubic root of 152111131 is about 533.8103604037.

Adding to 152111131 its reverse (131111251), we get a palindrome (283222382).

The spelling of 152111131 in words is "one hundred fifty-two million, one hundred eleven thousand, one hundred thirty-one".

Divisors: 1 19 383 7277 20903 397157 8005849 152111131