Search a number
-
+
38715963 = 3111390247
BaseRepresentation
bin1001001110110…
…0001000111011
32200211222022120
42103230020323
534402402323
63501452323
7650036346
oct223541073
980758276
1038715963
111a943970
1210b710a3
138037270
1451db45d
1535eb5e3
hex24ec23b

38715963 has 16 divisors (see below), whose sum is σ = 60646656. Its totient is φ = 21659040.

The previous prime is 38715961. The next prime is 38715983. The reversal of 38715963 is 36951783.

38715963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38715963 - 21 = 38715961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38715961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44695 + ... + 45552.

It is an arithmetic number, because the mean of its divisors is an integer number (3790416).

Almost surely, 238715963 is an apocalyptic number.

38715963 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38715963 is a deficient number, since it is larger than the sum of its proper divisors (21930693).

38715963 is a wasteful number, since it uses less digits than its factorization.

38715963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90274.

The product of its digits is 136080, while the sum is 42.

The square root of 38715963 is about 6222.2152807501. The cubic root of 38715963 is about 338.2958644446.

The spelling of 38715963 in words is "thirty-eight million, seven hundred fifteen thousand, nine hundred sixty-three".

Divisors: 1 3 11 13 33 39 143 429 90247 270741 992717 1173211 2978151 3519633 12905321 38715963