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387470088 = 23331793843
BaseRepresentation
bin10111000110000…
…101001100001000
31000000002112001000
4113012011030020
51243143020323
6102240455000
712413304255
oct2706051410
91000075030
10387470088
11189798015
12a991a460
1362375355
143966242c
152403ae43
hex17185308

387470088 has 32 divisors (see below), whose sum is σ = 1076306400. Its totient is φ = 129156624.

The previous prime is 387470087. The next prime is 387470117. The reversal of 387470088 is 880074783.

It is not an unprimeable number, because it can be changed into a prime (387470087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896706 + ... + 897137.

It is an arithmetic number, because the mean of its divisors is an integer number (33634575).

Almost surely, 2387470088 is an apocalyptic number.

It is an amenable number.

387470088 is an abundant number, since it is smaller than the sum of its proper divisors (688836312).

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

387470088 is a wasteful number, since it uses less digits than its factorization.

387470088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793858 (or 1793848 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 387470088 is about 19684.2599048072. The cubic root of 387470088 is about 729.0311084288.

The spelling of 387470088 in words is "three hundred eighty-seven million, four hundred seventy thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1793843 3587686 5381529 7175372 10763058 14350744 16144587 21526116 32289174 43052232 48433761 64578348 96867522 129156696 193735044 387470088