Search a number
-
+
272131946 = 21917894003
BaseRepresentation
bin10000001110000…
…110011101101010
3200222001201211222
4100032012131222
51024131210241
643000422042
76513040412
oct2016063552
9628051758
10272131946
1112a67a839
1277177922
13444c1328
14281db642
1518d56a4b
hex1038676a

272131946 has 16 divisors (see below), whose sum is σ = 430029600. Its totient is φ = 128800368.

The previous prime is 272131943. The next prime is 272131949. The reversal of 272131946 is 649131272.

It is an interprime number because it is at equal distance from previous prime (272131943) and next prime (272131949).

It is not an unprimeable number, because it can be changed into a prime (272131943) 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 7 ways as a sum of consecutive naturals, for example, 65981 + ... + 69983.

It is an arithmetic number, because the mean of its divisors is an integer number (26876850).

Almost surely, 2272131946 is an apocalyptic number.

272131946 is a deficient number, since it is larger than the sum of its proper divisors (157897654).

272131946 is a wasteful number, since it uses less digits than its factorization.

272131946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813.

The product of its digits is 18144, while the sum is 35.

The square root of 272131946 is about 16496.4222181660. The cubic root of 272131946 is about 648.0271114120.

The spelling of 272131946 in words is "two hundred seventy-two million, one hundred thirty-one thousand, nine hundred forty-six".

Divisors: 1 2 19 38 1789 3578 4003 8006 33991 67982 76057 152114 7161367 14322734 136065973 272131946