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38082390 = 2351269413
BaseRepresentation
bin1001000101000…
…1011101010110
32122122210012220
42101101131112
534222114030
63440123210
7641460243
oct221213526
978583186
1038082390
111a550955
1210906506
137b74a78
1450b45ca
153523a10
hex2451756

38082390 has 16 divisors (see below), whose sum is σ = 91397808. Its totient is φ = 10155296.

The previous prime is 38082371. The next prime is 38082413. The reversal of 38082390 is 9328083.

It is a super-2 number, since 2×380823902 = 2900536856224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634677 + ... + 634736.

It is an arithmetic number, because the mean of its divisors is an integer number (5712363).

Almost surely, 238082390 is an apocalyptic number.

38082390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38082390 is an abundant number, since it is smaller than the sum of its proper divisors (53315418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38082390 is a wasteful number, since it uses less digits than its factorization.

38082390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269423.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38082390 is about 6171.0930960406. The cubic root of 38082390 is about 336.4403417380.

The spelling of 38082390 in words is "thirty-eight million, eighty-two thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1269413 2538826 3808239 6347065 7616478 12694130 19041195 38082390