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245083631 = 1321450199
BaseRepresentation
bin11101001101110…
…10110111101111
3122002011112112112
432212322313233
51000220134011
640152554235
76034114352
oct1646726757
9562145475
10245083631
11116385a61
126a0b297b
133ba10a00
142479a299
15167b258b
hexe9badef

245083631 has 6 divisors (see below), whose sum is σ = 265386600. Its totient is φ = 226230888.

The previous prime is 245083627. The next prime is 245083633. The reversal of 245083631 is 136380542.

It is not a de Polignac number, because 245083631 - 22 = 245083627 is a prime.

It is a super-2 number, since 2×2450836312 = 120131972368288322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245083633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724931 + ... + 725268.

It is an arithmetic number, because the mean of its divisors is an integer number (44231100).

Almost surely, 2245083631 is an apocalyptic number.

245083631 is a deficient number, since it is larger than the sum of its proper divisors (20302969).

245083631 is a wasteful number, since it uses less digits than its factorization.

245083631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450225 (or 1450212 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 245083631 is about 15655.1471088585. The cubic root of 245083631 is about 625.8036646075.

The spelling of 245083631 in words is "two hundred forty-five million, eighty-three thousand, six hundred thirty-one".

Divisors: 1 13 169 1450199 18852587 245083631