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80293734 = 2331978259
BaseRepresentation
bin1001100100100…
…10111101100110
312121002100022000
410302102331212
5131023344414
611544550130
71663325343
oct462227546
9177070260
1080293734
1141361964
1222a82346
1313833cb1
14a9417ca
1570b0b09
hex4c92f66

80293734 has 32 divisors (see below), whose sum is σ = 187824000. Its totient is φ = 25355592.

The previous prime is 80293711. The next prime is 80293747. The reversal of 80293734 is 43739208.

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, 38104 + ... + 40155.

It is an arithmetic number, because the mean of its divisors is an integer number (5869500).

Almost surely, 280293734 is an apocalyptic number.

80293734 is an abundant number, since it is smaller than the sum of its proper divisors (107530266).

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

80293734 is a wasteful number, since it uses less digits than its factorization.

80293734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78289 (or 78283 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 80293734 is about 8960.6770949521. The cubic root of 80293734 is about 431.4136528222.

The spelling of 80293734 in words is "eighty million, two hundred ninety-three thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 78259 156518 234777 469554 704331 1408662 1486921 2112993 2973842 4225986 4460763 8921526 13382289 26764578 40146867 80293734