Search a number
-
+
38668480 = 265149811
BaseRepresentation
bin1001001110000…
…0100011000000
32200202120011221
42103200203000
534344342410
63500444424
7646451044
oct223404300
980676157
1038668480
111a911224
1210b49714
13801b776
1451c8024
1535dc4da
hex24e08c0

38668480 has 56 divisors (see below), whose sum is σ = 92811600. Its totient is φ = 15344640.

The previous prime is 38668471. The next prime is 38668499. The reversal of 38668480 is 8486683.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47275 + ... + 48085.

It is an arithmetic number, because the mean of its divisors is an integer number (1657350).

Almost surely, 238668480 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 38668480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46405800).

38668480 is an abundant number, since it is smaller than the sum of its proper divisors (54143120).

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

38668480 is a wasteful number, since it uses less digits than its factorization.

38668480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 38668480 is about 6218.3985076545. The cubic root of 38668480 is about 338.1575074407.

The spelling of 38668480 in words is "thirty-eight million, six hundred sixty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 149 160 298 320 596 745 811 1192 1490 1622 2384 2980 3244 4055 4768 5960 6488 8110 9536 11920 12976 16220 23840 25952 32440 47680 51904 64880 120839 129760 241678 259520 483356 604195 966712 1208390 1933424 2416780 3866848 4833560 7733696 9667120 19334240 38668480