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80293017 = 372546211
BaseRepresentation
bin1001100100100…
…10110010011001
312121002022022110
410302102302121
5131023334032
611544542533
71663323300
oct462226231
9177068273
1080293017
1141361372
1222a81a49
131383387c
14a941437
1570b07cc
hex4c92c99

80293017 has 12 divisors (see below), whose sum is σ = 124536336. Its totient is φ = 45881640.

The previous prime is 80293013. The next prime is 80293021. The reversal of 80293017 is 71039208.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80293013) and next prime (80293021).

It is not a de Polignac number, because 80293017 - 22 = 80293013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80293013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272959 + ... + 273252.

It is an arithmetic number, because the mean of its divisors is an integer number (10378028).

Almost surely, 280293017 is an apocalyptic number.

It is an amenable number.

80293017 is a deficient number, since it is larger than the sum of its proper divisors (44243319).

80293017 is a wasteful number, since it uses less digits than its factorization.

80293017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546228 (or 546221 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 80293017 is about 8960.6370867255. The cubic root of 80293017 is about 431.4123686850.

The spelling of 80293017 in words is "eighty million, two hundred ninety-three thousand, seventeen".

Divisors: 1 3 7 21 49 147 546211 1638633 3823477 11470431 26764339 80293017