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38953457 = 731074987
BaseRepresentation
bin1001010010011…
…0000111110001
32201022001002122
42110212013301
534433002312
63510524025
7652045634
oct224460761
981261078
1038953457
111aa96344
1211066615
1380bb3aa
14525dc1b
153646b72
hex25261f1

38953457 has 8 divisors (see below), whose sum is σ = 39864096. Its totient is φ = 38053152.

The previous prime is 38953451. The next prime is 38953469. The reversal of 38953457 is 75435983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38953457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38953451) 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, 5318 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (4983012).

Almost surely, 238953457 is an apocalyptic number.

It is an amenable number.

38953457 is a deficient number, since it is larger than the sum of its proper divisors (910639).

38953457 is a wasteful number, since it uses less digits than its factorization.

38953457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its digits is 453600, while the sum is 44.

The square root of 38953457 is about 6241.2704636156. The cubic root of 38953457 is about 338.9861870501.

The spelling of 38953457 in words is "thirty-eight million, nine hundred fifty-three thousand, four hundred fifty-seven".

Divisors: 1 73 107 4987 7811 364051 533609 38953457