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245053812 = 223375471009
BaseRepresentation
bin11101001101100…
…11100101110100
3122002010000122010
432212303211310
51000213210222
640152204220
76033631413
oct1646634564
9562100563
10245053812
11116365613
126a099670
133ba00273
142478d47a
15167a880c
hexe9b3974

245053812 has 48 divisors (see below), whose sum is σ = 588902720. Its totient is φ = 79252992.

The previous prime is 245053801. The next prime is 245053841. The reversal of 245053812 is 218350542.

It is a self number, because there is not a number n which added to its sum of digits gives 245053812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242364 + ... + 243372.

Almost surely, 2245053812 is an apocalyptic number.

It is an amenable number.

245053812 is an abundant number, since it is smaller than the sum of its proper divisors (343848908).

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

245053812 is a wasteful number, since it uses less digits than its factorization.

245053812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 245053812 is about 15654.1947094062. The cubic root of 245053812 is about 625.7782833444.

The spelling of 245053812 in words is "two hundred forty-five million, fifty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 547 1009 1094 1641 2018 2188 3027 3282 4036 6054 6564 12108 20239 37333 40478 60717 74666 80956 111999 121434 149332 223998 242868 447996 551923 1103846 1655769 2207692 3311538 6623076 20421151 40842302 61263453 81684604 122526906 245053812