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38934030 = 2351379473
BaseRepresentation
bin1001010010000…
…1011000001110
32201021001110010
42110201120032
534431342110
63510254050
7651635202
oct224413016
981231403
1038934030
111aa82793
1211057326
1380b25b5
145256b02
153641020
hex252160e

38934030 has 32 divisors (see below), whose sum is σ = 94133664. Its totient is φ = 10305536.

The previous prime is 38934023. The next prime is 38934053. The reversal of 38934030 is 3043983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627 + ... + 8846.

It is an arithmetic number, because the mean of its divisors is an integer number (2941677).

Almost surely, 238934030 is an apocalyptic number.

38934030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38934030 is an abundant number, since it is smaller than the sum of its proper divisors (55199634).

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

38934030 is a wasteful number, since it uses less digits than its factorization.

38934030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38934030 is about 6239.7139357506. The cubic root of 38934030 is about 338.9298242328.

The spelling of 38934030 in words is "thirty-eight million, nine hundred thirty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 685 822 1370 2055 4110 9473 18946 28419 47365 56838 94730 142095 284190 1297801 2595602 3893403 6489005 7786806 12978010 19467015 38934030