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428837852 = 22172231272
BaseRepresentation
bin11001100011111…
…000101111011100
31002212221012221102
4121203320233130
51334240302402
6110315252232
713425030062
oct3143705734
91085835842
10428837852
11200082253
12bb74a078
136aaca611
1440d50032
15279ad102
hex198f8bdc

428837852 has 54 divisors (see below), whose sum is σ = 838471032. Its totient is φ = 191511936.

The previous prime is 428837803. The next prime is 428837861. The reversal of 428837852 is 258738824.

It is a junction number, because it is equal to n+sod(n) for n = 428837797 and 428837806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3376613 + ... + 3376739.

Almost surely, 2428837852 is an apocalyptic number.

It is an amenable number.

428837852 is a deficient number, since it is larger than the sum of its proper divisors (409633180).

428837852 is a wasteful number, since it uses less digits than its factorization.

428837852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 169 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 428837852 is about 20708.4005176643. The cubic root of 428837852 is about 754.1036404147.

The spelling of 428837852 in words is "four hundred twenty-eight million, eight hundred thirty-seven thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 23 34 46 68 92 127 254 289 391 508 578 782 1156 1564 2159 2921 4318 5842 6647 8636 11684 13294 16129 26588 32258 36703 49657 64516 73406 99314 146812 198628 274193 370967 548386 741934 844169 1096772 1483868 1688338 3376676 4661281 6306439 9322562 12612878 18645124 25225756 107209463 214418926 428837852