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80227664 = 2411599761
BaseRepresentation
bin1001100100000…
…10110101010000
312120221222122222
410302002311100
5131014241124
611543320212
71662631616
oct462026520
9176858588
1080227664
1141317260
1222a50068
131380cbba
14a9256b6
15709b25e
hex4c82d50

80227664 has 40 divisors (see below), whose sum is σ = 170078400. Its totient is φ = 36358400.

The previous prime is 80227661. The next prime is 80227681. The reversal of 80227664 is 46672208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80227661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105044 + ... + 105804.

It is an arithmetic number, because the mean of its divisors is an integer number (4251960).

Almost surely, 280227664 is an apocalyptic number.

It is an amenable number.

80227664 is an abundant number, since it is smaller than the sum of its proper divisors (89850736).

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

80227664 is a wasteful number, since it uses less digits than its factorization.

80227664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 80227664 is about 8956.9896728756. The cubic root of 80227664 is about 431.2952902375.

The spelling of 80227664 in words is "eighty million, two hundred twenty-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 599 761 1198 1522 2396 3044 4792 6088 6589 8371 9584 12176 13178 16742 26356 33484 52712 66968 105424 133936 455839 911678 1823356 3646712 5014229 7293424 10028458 20056916 40113832 80227664