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80507834 = 21122771201
BaseRepresentation
bin1001100110001…
…11001110111010
312121111012222122
410303013032322
5131102222314
611553321242
71665206501
oct463071672
9177435878
1080507834
1141498800
1222b66222
13138aa594
14a999838
15710428e
hex4cc73ba

80507834 has 24 divisors (see below), whose sum is σ = 133328244. Its totient is φ = 36432000.

The previous prime is 80507813. The next prime is 80507863. The reversal of 80507834 is 43870508.

It can be written as a sum of positive squares in 2 ways, for example, as 58446025 + 22061809 = 7645^2 + 4697^2 .

It is a super-2 number, since 2×805078342 = 12963022670743112, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80507794 and 80507803.

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, 66434 + ... + 67634.

Almost surely, 280507834 is an apocalyptic number.

80507834 is a deficient number, since it is larger than the sum of its proper divisors (52820410).

80507834 is a wasteful number, since it uses less digits than its factorization.

80507834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80507834 is about 8972.6157835940. The cubic root of 80507834 is about 431.7967615383.

The spelling of 80507834 in words is "eighty million, five hundred seven thousand, eight hundred thirty-four".

Divisors: 1 2 11 22 121 242 277 554 1201 2402 3047 6094 13211 26422 33517 67034 145321 290642 332677 665354 3659447 7318894 40253917 80507834