Search a number
-
+
38623392 = 25354967
BaseRepresentation
bin1001001101010…
…1100010100000
32200200021100000
42103111202200
534341422032
63455500000
7646202433
oct223254240
980607300
1038623392
111a890365
1210b27600
1380040a2
1451b581a
1535cde7c
hex24d58a0

38623392 has 72 divisors (see below), whose sum is σ = 113926176. Its totient is φ = 12871872.

The previous prime is 38623373. The next prime is 38623399. The reversal of 38623392 is 29332683.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (38623399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5293 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (1582308).

Almost surely, 238623392 is an apocalyptic number.

38623392 is a gapful number since it is divisible by the number (32) 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 38623392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56963088).

38623392 is an abundant number, since it is smaller than the sum of its proper divisors (75302784).

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

38623392 is an equidigital number, since it uses as much as digits as its factorization.

38623392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4972 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 38623392 is about 6214.7720794893. The cubic root of 38623392 is about 338.0260241624.

The spelling of 38623392 in words is "thirty-eight million, six hundred twenty-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 972 1296 1944 2592 3888 4967 7776 9934 14901 19868 29802 39736 44703 59604 79472 89406 119208 134109 158944 178812 238416 268218 357624 402327 476832 536436 715248 804654 1072872 1206981 1430496 1609308 2145744 2413962 3218616 4291488 4827924 6437232 9655848 12874464 19311696 38623392