Search a number
-
+
38903964 = 223112910163
BaseRepresentation
bin1001010001101…
…0000010011100
32201012112012120
42110122002130
534424411324
63505502540
7651451431
oct224320234
981175176
1038903964
111aa62140
1211041a50
1380a19c8
145249b88
153637179
hex251a09c

38903964 has 48 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 11381440.

The previous prime is 38903933. The next prime is 38903981. The reversal of 38903964 is 46930983.

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, 1254 + ... + 8909.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 238903964 is an apocalyptic number.

It is an amenable number.

38903964 is an abundant number, since it is smaller than the sum of its proper divisors (63549156).

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

38903964 is a wasteful number, since it uses less digits than its factorization.

38903964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210 (or 10208 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 38903964 is about 6237.3042253846. The cubic root of 38903964 is about 338.8425579151.

The spelling of 38903964 in words is "thirty-eight million, nine hundred three thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 29 33 44 58 66 87 116 132 174 319 348 638 957 1276 1914 3828 10163 20326 30489 40652 60978 111793 121956 223586 294727 335379 447172 589454 670758 884181 1178908 1341516 1768362 3241997 3536724 6483994 9725991 12967988 19451982 38903964