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38655330 = 2357184073
BaseRepresentation
bin1001001101110…
…1010101100010
32200201220010220
42103131111202
534343432310
63500303510
7646364520
oct223352542
980656126
1038655330
111a90235a
1210b41b96
13801579c
1451c3310
1535d8670
hex24dd562

38655330 has 32 divisors (see below), whose sum is σ = 106026624. Its totient is φ = 8835456.

The previous prime is 38655313. The next prime is 38655359. The reversal of 38655330 is 3355683.

38655330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38655291 and 38655300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91827 + ... + 92246.

It is an arithmetic number, because the mean of its divisors is an integer number (3313332).

Almost surely, 238655330 is an apocalyptic number.

38655330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38655330 is an abundant number, since it is smaller than the sum of its proper divisors (67371294).

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

38655330 is a wasteful number, since it uses less digits than its factorization.

38655330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184090.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 38655330 is about 6217.3410715514. The cubic root of 38655330 is about 338.1191706577.

The spelling of 38655330 in words is "thirty-eight million, six hundred fifty-five thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 184073 368146 552219 920365 1104438 1288511 1840730 2577022 2761095 3865533 5522190 6442555 7731066 12885110 19327665 38655330