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428652532 = 227111391729
BaseRepresentation
bin11001100011001…
…011011111110100
31002212120210201201
4121203023133310
51334213340112
6110311302244
713423325560
oct3143133764
91085523651
10428652532
111aaa65aa0
12bb67a984
136aa64169
1440d026a0
1527973257
hex198cb7f4

428652532 has 24 divisors (see below), whose sum is σ = 935242560. Its totient is φ = 167007360.

The previous prime is 428652527. The next prime is 428652563. The reversal of 428652532 is 235256824.

It is a super-2 number, since 2×4286525322 = 367485986380022048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428652491 and 428652500.

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 7 ways as a sum of consecutive naturals, for example, 695557 + ... + 696172.

It is an arithmetic number, because the mean of its divisors is an integer number (38968440).

Almost surely, 2428652532 is an apocalyptic number.

It is an amenable number.

428652532 is an abundant number, since it is smaller than the sum of its proper divisors (506590028).

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

428652532 is a wasteful number, since it uses less digits than its factorization.

428652532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391751 (or 1391749 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 428652532 is about 20703.9255215044. The cubic root of 428652532 is about 753.9949974691.

The spelling of 428652532 in words is "four hundred twenty-eight million, six hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1391729 2783458 5566916 9742103 15309019 19484206 30618038 38968412 61236076 107163133 214326266 428652532