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245207472 = 2438116299
BaseRepresentation
bin11101001110110…
…01000110110000
3122002101211102020
432213121012300
51000233114342
640155351440
76035141406
oct1647310660
9562354366
10245207472
11116460004
126a152580
133ba551a3
14247cd476
15167d90ec
hexe9d91b0

245207472 has 40 divisors (see below), whose sum is σ = 634334400. Its totient is φ = 81622080.

The previous prime is 245207461. The next prime is 245207477. The reversal of 245207472 is 274702542.

It is a happy number.

245207472 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245207477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35779 + ... + 42077.

It is an arithmetic number, because the mean of its divisors is an integer number (15858360).

Almost surely, 2245207472 is an apocalyptic number.

It is an amenable number.

245207472 is an abundant number, since it is smaller than the sum of its proper divisors (389126928).

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

245207472 is a wasteful number, since it uses less digits than its factorization.

245207472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121 (or 7115 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 245207472 is about 15659.1018899552. The cubic root of 245207472 is about 625.9090532611.

The spelling of 245207472 in words is "two hundred forty-five million, two hundred seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 811 1622 2433 3244 4866 6299 6488 9732 12598 12976 18897 19464 25196 37794 38928 50392 75588 100784 151176 302352 5108489 10216978 15325467 20433956 30650934 40867912 61301868 81735824 122603736 245207472