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387234704 = 24178531669
BaseRepresentation
bin10111000101001…
…011101110010000
3222222122120011002
4113011023232100
51243113002304
6102231441132
712411304103
oct2705135620
9888576132
10387234704
1118964718a
12a98261a8
13622c217c
143960073a
1523ee131e
hex1714bb90

387234704 has 40 divisors (see below), whose sum is σ = 795808440. Its totient is φ = 181905408.

The previous prime is 387234613. The next prime is 387234713. The reversal of 387234704 is 407432783.

It can be written as a sum of positive squares in 4 ways, for example, as 30780304 + 356454400 = 5548^2 + 18880^2 .

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, 231182 + ... + 232850.

It is an arithmetic number, because the mean of its divisors is an integer number (19895211).

Almost surely, 2387234704 is an apocalyptic number.

387234704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

387234704 is an abundant number, since it is smaller than the sum of its proper divisors (408573736).

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

387234704 is a wasteful number, since it uses less digits than its factorization.

387234704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 387234704 is about 19678.2800061387. The cubic root of 387234704 is about 728.8834522834.

The spelling of 387234704 in words is "three hundred eighty-seven million, two hundred thirty-four thousand, seven hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 272 853 1669 1706 3338 3412 6676 6824 13352 13648 14501 26704 28373 29002 56746 58004 113492 116008 226984 232016 453968 1423657 2847314 5694628 11389256 22778512 24202169 48404338 96808676 193617352 387234704