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38064157 = 371028761
BaseRepresentation
bin1001000100110…
…1000000011101
32122121212012121
42101031000131
534221023112
63435502541
7641353135
oct221150035
978555177
1038064157
111a53918a
12108b7a51
137b69691
1450abac5
15351d407
hex244d01d

38064157 has 4 divisors (see below), whose sum is σ = 39092956. Its totient is φ = 37035360.

The previous prime is 38064137. The next prime is 38064181. The reversal of 38064157 is 75146083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27657081 + 10407076 = 5259^2 + 3226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38064157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38064127) 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, 514344 + ... + 514417.

It is an arithmetic number, because the mean of its divisors is an integer number (9773239).

Almost surely, 238064157 is an apocalyptic number.

38064157 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38064157 is a deficient number, since it is larger than the sum of its proper divisors (1028799).

38064157 is a wasteful number, since it uses less digits than its factorization.

38064157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028798.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 38064157 is about 6169.6156282219. The cubic root of 38064157 is about 336.3866397863.

The spelling of 38064157 in words is "thirty-eight million, sixty-four thousand, one hundred fifty-seven".

Divisors: 1 37 1028761 38064157