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80070834 = 2319967061
BaseRepresentation
bin1001100010111…
…00100010110010
312120200000112110
410301130202302
5130444231314
611540110150
71661406444
oct461344262
9176600473
1080070834
114121a448
1222995356
13137866bc
14a8c4494
157069a59
hex4c5c8b2

80070834 has 16 divisors (see below), whose sum is σ = 160948800. Its totient is φ = 26555760.

The previous prime is 80070803. The next prime is 80070871. The reversal of 80070834 is 43807008.

It is a super-2 number, since 2×800708342 = 12822676914911112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32337 + ... + 34724.

It is an arithmetic number, because the mean of its divisors is an integer number (10059300).

Almost surely, 280070834 is an apocalyptic number.

80070834 is an abundant number, since it is smaller than the sum of its proper divisors (80877966).

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

80070834 is a wasteful number, since it uses less digits than its factorization.

80070834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67265.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 80070834 is about 8948.2307748515. The cubic root of 80070834 is about 431.0140731799.

The spelling of 80070834 in words is "eighty million, seventy thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 199 398 597 1194 67061 134122 201183 402366 13345139 26690278 40035417 80070834