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40780712 = 237821887
BaseRepresentation
bin1001101110010…
…0001110101000
32211201212121202
42123210032220
540414440322
64014023332
71003426130
oct233441650
984655552
1040780712
1121024175
12117a7b48
1385aaccb
1455b7ac0
1538a8292
hex26e43a8

40780712 has 32 divisors (see below), whose sum is σ = 87592320. Its totient is φ = 17436480.

The previous prime is 40780709. The next prime is 40780759. The reversal of 40780712 is 21708704.

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, 45533 + ... + 46419.

It is an arithmetic number, because the mean of its divisors is an integer number (2737260).

Almost surely, 240780712 is an apocalyptic number.

It is an amenable number.

40780712 is an abundant number, since it is smaller than the sum of its proper divisors (46811608).

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

40780712 is a wasteful number, since it uses less digits than its factorization.

40780712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 40780712 is about 6385.9777638197. The cubic root of 40780712 is about 344.2058664990.

The spelling of 40780712 in words is "forty million, seven hundred eighty thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 821 887 1642 1774 3284 3548 5747 6209 6568 7096 11494 12418 22988 24836 45976 49672 728227 1456454 2912908 5097589 5825816 10195178 20390356 40780712