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428960862 = 232114350383
BaseRepresentation
bin11001100100010…
…110110001011110
31002220011110200100
4121210112301132
51334303221422
6110322041530
713426051521
oct3144266136
91086143610
10428960862
11200156710
12bb7a92a6
136ab415c5
1440d82bb8
15279d47ac
hex19916c5e

428960862 has 48 divisors (see below), whose sum is σ = 1037507328. Its totient is φ = 126962640.

The previous prime is 428960839. The next prime is 428960911. The reversal of 428960862 is 268069824.

It is a super-2 number, since 2×4289608622 = 368014842255566088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16678 + ... + 33705.

It is an arithmetic number, because the mean of its divisors is an integer number (21614736).

Almost surely, 2428960862 is an apocalyptic number.

428960862 is an abundant number, since it is smaller than the sum of its proper divisors (608546466).

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

428960862 is a wasteful number, since it uses less digits than its factorization.

428960862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50445 (or 50442 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 428960862 is about 20711.3703554352. The cubic root of 428960862 is about 754.1757371449.

The spelling of 428960862 in words is "four hundred twenty-eight million, nine hundred sixty thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 33 43 66 86 99 129 198 258 387 473 774 946 1419 2838 4257 8514 50383 100766 151149 302298 453447 554213 906894 1108426 1662639 2166469 3325278 4332938 4987917 6499407 9975834 12998814 19498221 23831159 38996442 47662318 71493477 142986954 214480431 428960862