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151131401 = 1077431901
BaseRepresentation
bin10010000001000…
…01010100001001
3101112101021022022
421000201110021
5302142201101
622555134225
73513411221
oct1100412411
9345337268
10151131401
1178345293
1242744375
1325406b85
1416101081
15d404a1b
hex9021509

151131401 has 8 divisors (see below), whose sum is σ = 152829504. Its totient is φ = 149438800.

The previous prime is 151131353. The next prime is 151131403. The reversal of 151131401 is 104131151.

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 151131401 - 226 = 84022537 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 151131401.

It is not an unprimeable number, because it can be changed into a prime (151131403) 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, 78551 + ... + 80451.

It is an arithmetic number, because the mean of its divisors is an integer number (19103688).

Almost surely, 2151131401 is an apocalyptic number.

It is an amenable number.

151131401 is a deficient number, since it is larger than the sum of its proper divisors (1698103).

151131401 is a wasteful number, since it uses less digits than its factorization.

151131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 151131401 is about 12293.5511956473. The cubic root of 151131401 is about 532.6618209657.

Adding to 151131401 its reverse (104131151), we get a palindrome (255262552).

The spelling of 151131401 in words is "one hundred fifty-one million, one hundred thirty-one thousand, four hundred one".

Divisors: 1 107 743 1901 79501 203407 1412443 151131401