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80830354 = 2115962273
BaseRepresentation
bin1001101000101…
…01111110010010
312122002121101211
410310111332102
5131143032404
612004250334
72001022003
oct464257622
9178077354
1080830354
1141699050
12230a09aa
1313991317
14aa411aa
157169b04
hex4d15f92

80830354 has 16 divisors (see below), whose sum is σ = 134511840. Its totient is φ = 36117760.

The previous prime is 80830339. The next prime is 80830381. The reversal of 80830354 is 45303808.

It is a super-2 number, since 2×808303542 = 13067092255530632, which contains 22 as substring.

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, 29839 + ... + 32434.

It is an arithmetic number, because the mean of its divisors is an integer number (8406990).

Almost surely, 280830354 is an apocalyptic number.

80830354 is a deficient number, since it is larger than the sum of its proper divisors (53681486).

80830354 is a wasteful number, since it uses less digits than its factorization.

80830354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62345.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80830354 is about 8990.5702822457. The cubic root of 80830354 is about 432.3725959282.

The spelling of 80830354 in words is "eighty million, eight hundred thirty thousand, three hundred fifty-four".

Divisors: 1 2 11 22 59 118 649 1298 62273 124546 685003 1370006 3674107 7348214 40415177 80830354