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212804368 = 24717111767
BaseRepresentation
bin11001010111100…
…10001100010000
3112211102120201021
430223302030100
5413434214433
633041045224
75162543620
oct1453621420
9484376637
10212804368
11aa139087
125b326814
133511b45a
1420396880
1513a3822d
hexcaf2310

212804368 has 40 divisors (see below), whose sum is σ = 498932352. Its totient is φ = 85836288.

The previous prime is 212804357. The next prime is 212804393. The reversal of 212804368 is 863408212.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53980 + ... + 57787.

Almost surely, 2212804368 is an apocalyptic number.

212804368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212804368 is an abundant number, since it is smaller than the sum of its proper divisors (286127984).

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

212804368 is a wasteful number, since it uses less digits than its factorization.

212804368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111799 (or 111793 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 212804368 is about 14587.8157377998. The cubic root of 212804368 is about 597.0263683528.

The spelling of 212804368 in words is "two hundred twelve million, eight hundred four thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 111767 223534 447068 782369 894136 1564738 1788272 1900039 3129476 3800078 6258952 7600156 12517904 13300273 15200312 26600546 30400624 53201092 106402184 212804368