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80517692 = 2271509557
BaseRepresentation
bin1001100110010…
…01101000111100
312121111201111202
410303021220330
5131103031232
611553435032
71665250313
oct463115074
9177451452
1080517692
11414a5152
1222b6ba78
13138b1c08
14a99d27a
157107162
hex4cc9a3c

80517692 has 24 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 39542720.

The previous prime is 80517691. The next prime is 80517739. The reversal of 80517692 is 29671508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80517691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 144278 + ... + 144834.

It is an arithmetic number, because the mean of its divisors is an integer number (5976180).

Almost surely, 280517692 is an apocalyptic number.

It is an amenable number.

80517692 is a deficient number, since it is larger than the sum of its proper divisors (62910628).

80517692 is a wasteful number, since it uses less digits than its factorization.

80517692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 80517692 is about 8973.1651049114. The cubic root of 80517692 is about 431.8143849941.

The spelling of 80517692 in words is "eighty million, five hundred seventeen thousand, six hundred ninety-two".

Divisors: 1 2 4 71 142 284 509 557 1018 1114 2036 2228 36139 39547 72278 79094 144556 158188 283513 567026 1134052 20129423 40258846 80517692