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38849964 = 223171571213
BaseRepresentation
bin1001010000110…
…0110110101100
32201002210010120
42110030312230
534421144324
63504404540
7651135126
oct224146654
981083116
1038849964
111aa2560a
1211016750
13808325a
145234216
153626179
hex250cdac

38849964 has 48 divisors (see below), whose sum is σ = 96673248. Its totient is φ = 12100608.

The previous prime is 38849959. The next prime is 38849971. The reversal of 38849964 is 46994883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 31422 + ... + 32634.

It is an arithmetic number, because the mean of its divisors is an integer number (2014026).

Almost surely, 238849964 is an apocalyptic number.

38849964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38849964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48336624).

38849964 is an abundant number, since it is smaller than the sum of its proper divisors (57823284).

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

38849964 is a wasteful number, since it uses less digits than its factorization.

38849964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1392 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 38849964 is about 6232.9739290326. The cubic root of 38849964 is about 338.6857103978.

The spelling of 38849964 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 157 204 314 471 628 942 1213 1884 2426 2669 3639 4852 5338 7278 8007 10676 14556 16014 20621 32028 41242 61863 82484 123726 190441 247452 380882 571323 761764 1142646 2285292 3237497 6474994 9712491 12949988 19424982 38849964