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38934520 = 2352633701
BaseRepresentation
bin1001010010000…
…1011111111000
32201021002010021
42110201133320
534431401040
63510300224
7651636502
oct224413770
981232107
1038934520
111aa83099
1211057674
1380b28a1
145256d72
15364124a
hex25217f8

38934520 has 32 divisors (see below), whose sum is σ = 87959520. Its totient is φ = 15510400.

The previous prime is 38934503. The next prime is 38934521. The reversal of 38934520 is 2543983.

It is a happy number.

38934520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38934521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8670 + ... + 12370.

It is an arithmetic number, because the mean of its divisors is an integer number (2748735).

Almost surely, 238934520 is an apocalyptic number.

It is an amenable number.

38934520 is an abundant number, since it is smaller than the sum of its proper divisors (49025000).

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

38934520 is a wasteful number, since it uses less digits than its factorization.

38934520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 38934520 is about 6239.7532002476. The cubic root of 38934520 is about 338.9312460817.

The spelling of 38934520 in words is "thirty-eight million, nine hundred thirty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 263 526 1052 1315 2104 2630 3701 5260 7402 10520 14804 18505 29608 37010 74020 148040 973363 1946726 3893452 4866815 7786904 9733630 19467260 38934520