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814045554 = 232731208409
BaseRepresentation
bin110000100001010…
…101100101110010
32002201202210120100
4300201111211302
53131343424204
6212435453230
726113162440
oct6041254562
92081683510
10814045554
11388564523
121a8757216
13cc85cc7a
147a183b90
154b6eda39
hex30855972

814045554 has 48 divisors (see below), whose sum is σ = 2080765440. Its totient is φ = 225080640.

The previous prime is 814045553. The next prime is 814045591. The reversal of 814045554 is 455540418.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (814045553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100299 + ... + 108110.

It is an arithmetic number, because the mean of its divisors is an integer number (43349280).

Almost surely, 2814045554 is an apocalyptic number.

814045554 is an abundant number, since it is smaller than the sum of its proper divisors (1266719886).

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

814045554 is a wasteful number, since it uses less digits than its factorization.

814045554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208455 (or 208452 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 814045554 is about 28531.4835576421. The cubic root of 814045554 is about 933.7190859805.

The spelling of 814045554 in words is "eight hundred fourteen million, forty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 126 186 217 279 434 558 651 1302 1953 3906 208409 416818 625227 1250454 1458863 1875681 2917726 3751362 4376589 6460679 8753178 12921358 13129767 19382037 26259534 38764074 45224753 58146111 90449506 116292222 135674259 271348518 407022777 814045554