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868192470 = 232553182011
BaseRepresentation
bin110011101111111…
…001000011010110
32020111122202011200
4303233321003112
53234224124340
6222052213330
730341341245
oct6357710326
92214582150
10868192470
11406087942
1220290a246
1310ab3aa72
148343a95c
1551347330
hex33bf90d6

868192470 has 48 divisors (see below), whose sum is σ = 2299903632. Its totient is φ = 227148480.

The previous prime is 868192463. The next prime is 868192483. The reversal of 868192470 is 74291868.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86236 + ... + 95775.

It is an arithmetic number, because the mean of its divisors is an integer number (47914659).

Almost surely, 2868192470 is an apocalyptic number.

868192470 is an abundant number, since it is smaller than the sum of its proper divisors (1431711162).

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

868192470 is a wasteful number, since it uses less digits than its factorization.

868192470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182077 (or 182074 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 868192470 is about 29465.1059729980. The cubic root of 868192470 is about 953.9786857572.

The spelling of 868192470 in words is "eight hundred sixty-eight million, one hundred ninety-two thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 4770 182011 364022 546033 910055 1092066 1638099 1820110 2730165 3276198 5460330 8190495 9646583 16380990 19293166 28939749 48232915 57879498 86819247 96465830 144698745 173638494 289397490 434096235 868192470