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80254031 = 11135310589
BaseRepresentation
bin1001100100010…
…01010001001111
312121000022211112
410302021101033
5131021112111
611544042235
71663101524
oct462112117
9177008745
1080254031
1141335050
1222a6337b
131381bbc0
14a93114b
1570a3e8b
hex4c8944f

80254031 has 16 divisors (see below), whose sum is σ = 96072480. Its totient is φ = 66069120.

The previous prime is 80254019. The next prime is 80254037. The reversal of 80254031 is 13045208.

It is not a de Polignac number, because 80254031 - 222 = 76059727 is a prime.

It is a super-2 number, since 2×802540312 = 12881418983497922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80253988 and 80254006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80254037) 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, 2285 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (6004530).

Almost surely, 280254031 is an apocalyptic number.

80254031 is a deficient number, since it is larger than the sum of its proper divisors (15818449).

80254031 is a wasteful number, since it uses less digits than its factorization.

80254031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80254031 is about 8958.4614192394. The cubic root of 80254031 is about 431.3425337807.

Adding to 80254031 its reverse (13045208), we get a palindrome (93299239).

The spelling of 80254031 in words is "eighty million, two hundred fifty-four thousand, thirty-one".

Divisors: 1 11 13 53 143 583 689 7579 10589 116479 137657 561217 1514227 6173387 7295821 80254031