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38832805 = 511706051
BaseRepresentation
bin1001010000100…
…0101010100101
32201001220121001
42110020222211
534420122210
63504153301
7651034114
oct224105245
981056531
1038832805
111aa13730
1211008831
1380784bb
14522bc7b
15362103a
hex2508aa5

38832805 has 8 divisors (see below), whose sum is σ = 50835744. Its totient is φ = 28242000.

The previous prime is 38832803. The next prime is 38832839. The reversal of 38832805 is 50823883.

It is a happy number.

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

It is not a de Polignac number, because 38832805 - 21 = 38832803 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 (38832803) 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, 352971 + ... + 353080.

It is an arithmetic number, because the mean of its divisors is an integer number (6354468).

Almost surely, 238832805 is an apocalyptic number.

It is an amenable number.

38832805 is a deficient number, since it is larger than the sum of its proper divisors (12002939).

38832805 is a wasteful number, since it uses less digits than its factorization.

38832805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706067.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 38832805 is about 6231.5973072720. The cubic root of 38832805 is about 338.6358402193.

The spelling of 38832805 in words is "thirty-eight million, eight hundred thirty-two thousand, eight hundred five".

Divisors: 1 5 11 55 706051 3530255 7766561 38832805