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159038401 = 315130271
BaseRepresentation
bin10010111101010…
…11101111000001
3102002020222200011
421132223233001
5311203212101
623440424521
73640542544
oct1136535701
9362228604
10159038401
11818559a5
1245318141
1326c44b82
141719c85b
15de67751
hex97abbc1

159038401 has 4 divisors (see below), whose sum is σ = 164168704. Its totient is φ = 153908100.

The previous prime is 159038393. The next prime is 159038443. The reversal of 159038401 is 104830951.

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.

It is a cyclic number.

It is not a de Polignac number, because 159038401 - 23 = 159038393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5130271 = 159038401 / (1 + 5 + 9 + 0 + 3 + 8 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159038801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565105 + ... + 2565166.

It is an arithmetic number, because the mean of its divisors is an integer number (41042176).

Almost surely, 2159038401 is an apocalyptic number.

It is an amenable number.

159038401 is a deficient number, since it is larger than the sum of its proper divisors (5130303).

159038401 is an equidigital number, since it uses as much as digits as its factorization.

159038401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130302.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 159038401 is about 12611.0428196878. The cubic root of 159038401 is about 541.7937617136.

The spelling of 159038401 in words is "one hundred fifty-nine million, thirty-eight thousand, four hundred one".

Divisors: 1 31 5130271 159038401