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157441601 = 236845287
BaseRepresentation
bin10010110001001…
…01111001000001
3101222020212021102
421120211321001
5310301112401
623342304145
73621142262
oct1130457101
9358225242
10157441601
1180965229
1244888055
1326806115
1416ca4969
15dc4e56b
hex9625e41

157441601 has 4 divisors (see below), whose sum is σ = 164286912. Its totient is φ = 150596292.

The previous prime is 157441597. The next prime is 157441631. The reversal of 157441601 is 106144751.

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: 106144751 = 148171671.

It is a cyclic number.

It is not a de Polignac number, because 157441601 - 22 = 157441597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157441631) 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, 3422621 + ... + 3422666.

It is an arithmetic number, because the mean of its divisors is an integer number (41071728).

Almost surely, 2157441601 is an apocalyptic number.

It is an amenable number.

157441601 is a deficient number, since it is larger than the sum of its proper divisors (6845311).

157441601 is an equidigital number, since it uses as much as digits as its factorization.

157441601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845310.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 157441601 is about 12547.5735104442. The cubic root of 157441601 is about 539.9743940762.

The spelling of 157441601 in words is "one hundred fifty-seven million, four hundred forty-one thousand, six hundred one".

Divisors: 1 23 6845287 157441601