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38207642 = 2111736711
BaseRepresentation
bin1001000111000…
…0000010011010
32122220011000212
42101300002122
534240121032
63442531122
7642521354
oct221600232
978804025
1038207642
111a626a70
1210966aa2
137bb9a95
1451080d4
15354abb2
hex247009a

38207642 has 8 divisors (see below), whose sum is σ = 62521632. Its totient is φ = 17367100.

The previous prime is 38207641. The next prime is 38207657. The reversal of 38207642 is 24670283.

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

It is a junction number, because it is equal to n+sod(n) for n = 38207599 and 38207608.

It is not an unprimeable number, because it can be changed into a prime (38207641) 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, 868334 + ... + 868377.

It is an arithmetic number, because the mean of its divisors is an integer number (7815204).

Almost surely, 238207642 is an apocalyptic number.

38207642 is a deficient number, since it is larger than the sum of its proper divisors (24313990).

38207642 is a wasteful number, since it uses less digits than its factorization.

38207642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736724.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 38207642 is about 6181.2330485106. The cubic root of 38207642 is about 336.8087859715.

The spelling of 38207642 in words is "thirty-eight million, two hundred seven thousand, six hundred forty-two".

Divisors: 1 2 11 22 1736711 3473422 19103821 38207642