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20796474 = 2317316577
BaseRepresentation
bin100111101010…
…1010000111010
31110010120101210
41033111100322
520310441344
62021423550
7341524056
oct117252072
943116353
1020796474
1110814776
126b6abb6
134401b0a
142a94c66
151c5bdb9
hex13d543a

20796474 has 32 divisors (see below), whose sum is σ = 45467136. Its totient is φ = 6312960.

The previous prime is 20796467. The next prime is 20796481. The reversal of 20796474 is 47469702.

It is an interprime number because it is at equal distance from previous prime (20796467) and next prime (20796481).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (1420848).

Almost surely, 220796474 is an apocalyptic number.

20796474 is an abundant number, since it is smaller than the sum of its proper divisors (24670662).

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

20796474 is a wasteful number, since it uses less digits than its factorization.

20796474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 20796474 is about 4560.3151206907. The cubic root of 20796474 is about 274.9982324955.

The spelling of 20796474 in words is "twenty million, seven hundred ninety-six thousand, four hundred seventy-four".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 527 1054 1581 3162 6577 13154 19731 39462 111809 203887 223618 335427 407774 611661 670854 1223322 3466079 6932158 10398237 20796474