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151043231 = 2326924413
BaseRepresentation
bin10010000000010…
…11110010011111
3101112012210100202
421000023302133
5302131340411
622553214115
73512563163
oct1100136237
9345183322
10151043231
1178295019
124270133b
13253a59c1
14160baca3
15d3d883b
hex900bc9f

151043231 has 8 divisors (see below), whose sum is σ = 158202720. Its totient is φ = 143933152.

The previous prime is 151043203. The next prime is 151043239. The reversal of 151043231 is 132340151.

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 151043231 - 210 = 151042207 is a prime.

It is a super-2 number, since 2×1510432312 = 45628115261838722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151043239) 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, 6020 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (19775340).

Almost surely, 2151043231 is an apocalyptic number.

151043231 is a deficient number, since it is larger than the sum of its proper divisors (7159489).

151043231 is a wasteful number, since it uses less digits than its factorization.

151043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 151043231 is about 12289.9646460029. The cubic root of 151043231 is about 532.5582159163.

Adding to 151043231 its reverse (132340151), we get a palindrome (283383382).

The spelling of 151043231 in words is "one hundred fifty-one million, forty-three thousand, two hundred thirty-one".

Divisors: 1 23 269 6187 24413 561499 6567097 151043231