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151317401 = 712131231
BaseRepresentation
bin10010000010011…
…10101110011001
3101112201201110012
421001032232121
5302214124101
623003131305
73515114414
oct1101165631
9345651405
10151317401
1178462004
1242813b35
1325470731
141614cb7b
15d43ebbb
hex904eb99

151317401 has 4 divisors (see below), whose sum is σ = 153448704. Its totient is φ = 149186100.

The previous prime is 151317379. The next prime is 151317407. The reversal of 151317401 is 104713151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104713151 = 127824513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151317401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151317407) 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 3 ways as a sum of consecutive naturals, for example, 1065545 + ... + 1065686.

It is an arithmetic number, because the mean of its divisors is an integer number (38362176).

Almost surely, 2151317401 is an apocalyptic number.

It is an amenable number.

151317401 is a deficient number, since it is larger than the sum of its proper divisors (2131303).

151317401 is an equidigital number, since it uses as much as digits as its factorization.

151317401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131302.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 151317401 is about 12301.1138113587. The cubic root of 151317401 is about 532.8802500531.

The spelling of 151317401 in words is "one hundred fifty-one million, three hundred seventeen thousand, four hundred one".

Divisors: 1 71 2131231 151317401