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239272992 = 25327118687
BaseRepresentation
bin11100100001100…
…00010000100000
3121200020022211200
432100300100200
5442223213432
635424241200
75633533620
oct1620602040
9550208750
10239272992
11113077382
1268170200
133a757c6a
1423ac6880
1516015a7c
hexe430420

239272992 has 72 divisors (see below), whose sum is σ = 777643776. Its totient is φ = 68363136.

The previous prime is 239272967. The next prime is 239272993. The reversal of 239272992 is 299272932.

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

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 (239272993) 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, 57328 + ... + 61359.

It is an arithmetic number, because the mean of its divisors is an integer number (10800608).

Almost surely, 2239272992 is an apocalyptic number.

It is an amenable number.

239272992 is an abundant number, since it is smaller than the sum of its proper divisors (538370784).

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

239272992 is a wasteful number, since it uses less digits than its factorization.

239272992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118710 (or 118699 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 239272992 is about 15468.4515062110. The cubic root of 239272992 is about 620.8183712723.

The spelling of 239272992 in words is "two hundred thirty-nine million, two hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 118687 237374 356061 474748 712122 830809 949496 1068183 1424244 1661618 1898992 2136366 2492427 2848488 3323236 3797984 4272732 4984854 5696976 6646472 7477281 8545464 9969708 11393952 13292944 14954562 17090928 19939416 26585888 29909124 34181856 39878832 59818248 79757664 119636496 239272992