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38613830 = 253861383
BaseRepresentation
bin1001001101001…
…1001101000110
32200122210012212
42103103031012
534341120310
63455343422
7646132523
oct223231506
980583185
1038613830
111a884162
1210b21b72
137ccc928
1451b214a
1535cb205
hex24d3346

38613830 has 8 divisors (see below), whose sum is σ = 69504912. Its totient is φ = 15445528.

The previous prime is 38613823. The next prime is 38613859. The reversal of 38613830 is 3831683.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930682 + ... + 1930701.

It is an arithmetic number, because the mean of its divisors is an integer number (8688114).

Almost surely, 238613830 is an apocalyptic number.

38613830 is a deficient number, since it is larger than the sum of its proper divisors (30891082).

38613830 is a wasteful number, since it uses less digits than its factorization.

38613830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861390.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38613830 is about 6214.0027357574. The cubic root of 38613830 is about 337.9981268059.

The spelling of 38613830 in words is "thirty-eight million, six hundred thirteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 3861383 7722766 19306915 38613830