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38928516 = 22311417193
BaseRepresentation
bin1001010010000…
…0000010000100
32201020202212220
42110200002010
534431203031
63510212340
7651613134
oct224400204
981222786
1038928516
111aa79630
12110540b0
1380acc33
145254ac4
15363e596
hex2520084

38928516 has 48 divisors (see below), whose sum is σ = 101521728. Its totient is φ = 11507200.

The previous prime is 38928509. The next prime is 38928517. The reversal of 38928516 is 61582983.

It is not an unprimeable number, because it can be changed into a prime (38928517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (2115036).

Almost surely, 238928516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38928516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50760864).

38928516 is an abundant number, since it is smaller than the sum of its proper divisors (62593212).

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

38928516 is a wasteful number, since it uses less digits than its factorization.

38928516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7250 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 38928516 is about 6239.2720729265. The cubic root of 38928516 is about 338.9138232582.

The spelling of 38928516 in words is "thirty-eight million, nine hundred twenty-eight thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 11 12 22 33 41 44 66 82 123 132 164 246 451 492 902 1353 1804 2706 5412 7193 14386 21579 28772 43158 79123 86316 158246 237369 294913 316492 474738 589826 884739 949476 1179652 1769478 3244043 3538956 6488086 9732129 12976172 19464258 38928516