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398676068 = 22773195047
BaseRepresentation
bin10111110000110…
…101000001100100
31000210011211202022
4113300311001210
51304030113233
6103321002312
712610455620
oct2760650144
91023154668
10398676068
1119505125a
12b1623398
1364799acb
143ad3c180
1525001398
hex17c35064

398676068 has 24 divisors (see below), whose sum is σ = 808278912. Its totient is φ = 168519744.

The previous prime is 398676049. The next prime is 398676077. The reversal of 398676068 is 860676893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95480 + ... + 99567.

It is an arithmetic number, because the mean of its divisors is an integer number (33678288).

Almost surely, 2398676068 is an apocalyptic number.

It is an amenable number.

398676068 is an abundant number, since it is smaller than the sum of its proper divisors (409602844).

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

398676068 is a wasteful number, since it uses less digits than its factorization.

398676068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195131 (or 195129 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 398676068 is about 19966.8742671456. The cubic root of 398676068 is about 735.9925000220.

The spelling of 398676068 in words is "three hundred ninety-eight million, six hundred seventy-six thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 195047 390094 780188 1365329 2730658 5461316 14238431 28476862 56953724 99669017 199338034 398676068