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387456252 = 223231403827
BaseRepresentation
bin10111000110000…
…001110011111100
31000000001211001120
4113012001303330
51243142100002
6102240310540
712413216031
oct2706016374
91000054046
10387456252
11189788687
12a9912450
136236bc71
143965b388
1524036cbc
hex17181cfc

387456252 has 24 divisors (see below), whose sum is σ = 943372416. Its totient is φ = 123536688.

The previous prime is 387456239. The next prime is 387456263. The reversal of 387456252 is 252654783.

It is a congruent number.

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, 701638 + ... + 702189.

It is an arithmetic number, because the mean of its divisors is an integer number (39307184).

Almost surely, 2387456252 is an apocalyptic number.

It is an amenable number.

387456252 is an abundant number, since it is smaller than the sum of its proper divisors (555916164).

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

387456252 is a wasteful number, since it uses less digits than its factorization.

387456252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403857 (or 1403855 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 387456252 is about 19683.9084533535. The cubic root of 387456252 is about 729.0224307745.

The spelling of 387456252 in words is "three hundred eighty-seven million, four hundred fifty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1403827 2807654 4211481 5615308 8422962 16845924 32288021 64576042 96864063 129152084 193728126 387456252