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38274964 = 22713711481
BaseRepresentation
bin1001001000000…
…0011110010100
32200000120101021
42102000132110
534244244324
63444210524
7643221550
oct222003624
980016337
1038274964
111a672602
1210999a44
137c11610
145124860
153560ae4
hex2480794

38274964 has 48 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 14918400.

The previous prime is 38274961. The next prime is 38274979. The reversal of 38274964 is 46947283.

It is a self number, because there is not a number n which added to its sum of digits gives 38274964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38274961) 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, 25104 + ... + 26584.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 238274964 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 38274964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41827968).

38274964 is an abundant number, since it is smaller than the sum of its proper divisors (45380972).

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

38274964 is a wasteful number, since it uses less digits than its factorization.

38274964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1574 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 38274964 is about 6186.6763290154. The cubic root of 38274964 is about 337.0064893220.

The spelling of 38274964 in words is "thirty-eight million, two hundred seventy-four thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 52 71 91 142 182 284 364 497 923 994 1481 1846 1988 2962 3692 5924 6461 10367 12922 19253 20734 25844 38506 41468 77012 105151 134771 210302 269542 420604 539084 736057 1366963 1472114 2733926 2944228 5467852 9568741 19137482 38274964