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768213244 = 221910108069
BaseRepresentation
bin101101110010100…
…000000011111100
31222112112021110101
4231302200003330
53033130310434
6204121250444
725015463521
oct5562400374
91875467411
10768213244
113646aaa87
12195333a24
13c3203866
1474053148
1547698b14
hex2dca00fc

768213244 has 12 divisors (see below), whose sum is σ = 1415129800. Its totient is φ = 363890448.

The previous prime is 768213227. The next prime is 768213253. The reversal of 768213244 is 442312867.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5053959 + ... + 5054110.

Almost surely, 2768213244 is an apocalyptic number.

It is an amenable number.

768213244 is a deficient number, since it is larger than the sum of its proper divisors (646916556).

768213244 is a wasteful number, since it uses less digits than its factorization.

768213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108092 (or 10108090 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 768213244 is about 27716.6600440962. The cubic root of 768213244 is about 915.8561443394.

The spelling of 768213244 in words is "seven hundred sixty-eight million, two hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 4 19 38 76 10108069 20216138 40432276 192053311 384106622 768213244