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80249688 = 23323673037
BaseRepresentation
bin1001100100010…
…00001101011000
312121000002212200
410302020031120
5131020442223
611544010200
71663053051
oct462101530
9177002780
1080249688
1141331862
1222a60960
1313819c2c
14a92d728
1570a2a43
hex4c88358

80249688 has 48 divisors (see below), whose sum is σ = 218006880. Its totient is φ = 26668224.

The previous prime is 80249677. The next prime is 80249713. The reversal of 80249688 is 88694208.

It is a happy number.

80249688 is a `hidden beast` number, since 80 + 2 + 496 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24906 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (4541810).

Almost surely, 280249688 is an apocalyptic number.

It is an amenable number.

80249688 is an abundant number, since it is smaller than the sum of its proper divisors (137757192).

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

80249688 is a wasteful number, since it uses less digits than its factorization.

80249688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 80249688 is about 8958.2190194257. The cubic root of 80249688 is about 431.3347528448.

The spelling of 80249688 in words is "eighty million, two hundred forty-nine thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 367 734 1101 1468 2202 2936 3037 3303 4404 6074 6606 8808 9111 12148 13212 18222 24296 26424 27333 36444 54666 72888 109332 218664 1114579 2229158 3343737 4458316 6687474 8916632 10031211 13374948 20062422 26749896 40124844 80249688