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387468808 = 2348433601
BaseRepresentation
bin10111000110000…
…100111000001000
31000000002110021121
4113012010320020
51243143000213
6102240445024
712413300446
oct2706047010
91000073247
10387468808
11189797061
12a9919774
13623748ac
1439661b96
152403a88d
hex17184e08

387468808 has 8 divisors (see below), whose sum is σ = 726504030. Its totient is φ = 193734400.

The previous prime is 387468779. The next prime is 387468853. The reversal of 387468808 is 808864783.

It can be written as a sum of positive squares in only one way, i.e., 381889764 + 5579044 = 19542^2 + 2362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24216793 + ... + 24216808.

Almost surely, 2387468808 is an apocalyptic number.

It is an amenable number.

387468808 is a deficient number, since it is larger than the sum of its proper divisors (339035222).

387468808 is a wasteful number, since it uses less digits than its factorization.

387468808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48433607 (or 48433603 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 387468808 is about 19684.2273914929. The cubic root of 387468808 is about 729.0303056478.

The spelling of 387468808 in words is "three hundred eighty-seven million, four hundred sixty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 48433601 96867202 193734404 387468808