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428176136 = 23372934937
BaseRepresentation
bin11001100001010…
…111001100001000
31002211200121020102
4121201113030020
51334103114021
6110253144532
713416302633
oct3141271410
91084617212
10428176136
111aa770083
12bb48b148
136a92837b
1440c1ac1a
15278cc00b
hex19857308

428176136 has 32 divisors (see below), whose sum is σ = 827510040. Its totient is φ = 207548928.

The previous prime is 428176109. The next prime is 428176187. The reversal of 428176136 is 631671824.

It can be written as a sum of positive squares in 4 ways, for example, as 425596900 + 2579236 = 20630^2 + 1606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 428176136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84260 + ... + 89196.

Almost surely, 2428176136 is an apocalyptic number.

It is an amenable number.

428176136 is a deficient number, since it is larger than the sum of its proper divisors (399333904).

428176136 is a wasteful number, since it uses less digits than its factorization.

428176136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273 (or 5269 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 428176136 is about 20692.4173551569. The cubic root of 428176136 is about 753.7155688522.

The spelling of 428176136 in words is "four hundred twenty-eight million, one hundred seventy-six thousand, one hundred thirty-six".

Divisors: 1 2 4 8 37 74 148 293 296 586 1172 2344 4937 9874 10841 19748 21682 39496 43364 86728 182669 365338 730676 1446541 1461352 2893082 5786164 11572328 53522017 107044034 214088068 428176136