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38979701 = 109735533
BaseRepresentation
bin1001010010110…
…0100001110101
32201100101002122
42110230201311
534434322301
63511245325
7652215305
oct224544165
981311078
1038979701
1120004032
1211079845
1380ca317
145269605
15364e81b
hex252c875

38979701 has 4 divisors (see below), whose sum is σ = 39016332. Its totient is φ = 38943072.

The previous prime is 38979673. The next prime is 38979739. The reversal of 38979701 is 10797983.

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 5640625 + 33339076 = 2375^2 + 5774^2 .

It is a cyclic number.

It is not a de Polignac number, because 38979701 - 210 = 38978677 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 (38979001) 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, 16670 + ... + 18863.

It is an arithmetic number, because the mean of its divisors is an integer number (9754083).

Almost surely, 238979701 is an apocalyptic number.

It is an amenable number.

38979701 is a deficient number, since it is larger than the sum of its proper divisors (36631).

38979701 is a wasteful number, since it uses less digits than its factorization.

38979701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36630.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 38979701 is about 6243.3725661697. The cubic root of 38979701 is about 339.0622980214.

The spelling of 38979701 in words is "thirty-eight million, nine hundred seventy-nine thousand, seven hundred one".

Divisors: 1 1097 35533 38979701