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80076217 = 1379103757
BaseRepresentation
bin1001100010111…
…01110110111001
312120200021220211
410301131312321
5130444414332
611540151121
71661431234
oct461356671
9176607824
1080076217
11412234a1
12229984a1
1313788ca0
14a8c641b
15706b447
hex4c5ddb9

80076217 has 16 divisors (see below), whose sum is σ = 88291840. Its totient is φ = 72176832.

The previous prime is 80076211. The next prime is 80076223. The reversal of 80076217 is 71267008.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80076211) and next prime (80076223).

It is not a de Polignac number, because 80076217 - 23 = 80076209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80076211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105403 + ... + 106159.

It is an arithmetic number, because the mean of its divisors is an integer number (5518240).

Almost surely, 280076217 is an apocalyptic number.

It is an amenable number.

80076217 is a deficient number, since it is larger than the sum of its proper divisors (8215623).

80076217 is a wasteful number, since it uses less digits than its factorization.

80076217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 80076217 is about 8948.5315555123. The cubic root of 80076217 is about 431.0237316979.

The spelling of 80076217 in words is "eighty million, seventy-six thousand, two hundred seventeen".

Divisors: 1 13 79 103 757 1027 1339 8137 9841 59803 77971 105781 777439 1013623 6159709 80076217