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80485916 = 22727110607
BaseRepresentation
bin1001100110000…
…01111000011100
312121110002220212
410303001320130
5131101022131
611553031552
71665055550
oct463017034
9177402825
1080485916
1141483295
1222b555b8
13138a0604
14a991860
1570eca2b
hex4cc1e1c

80485916 has 24 divisors (see below), whose sum is σ = 161581056. Its totient is φ = 34363440.

The previous prime is 80485877. The next prime is 80485963. The reversal of 80485916 is 61958408.

It is a congruent number.

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, 2285 + ... + 12891.

It is an arithmetic number, because the mean of its divisors is an integer number (6732544).

Almost surely, 280485916 is an apocalyptic number.

It is an amenable number.

80485916 is an abundant number, since it is smaller than the sum of its proper divisors (81095140).

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

80485916 is a wasteful number, since it uses less digits than its factorization.

80485916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10887 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 80485916 is about 8971.3943174960. The cubic root of 80485916 is about 431.7575728866.

The spelling of 80485916 in words is "eighty million, four hundred eighty-five thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 271 542 1084 1897 3794 7588 10607 21214 42428 74249 148498 296996 2874497 5748994 11497988 20121479 40242958 80485916