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195260816 = 2431393671
BaseRepresentation
bin10111010001101…
…11000110010000
3111121102021111002
423220313012100
5344441321231
631213041132
74560455342
oct1350670620
9447367432
10195260816
11a0246383
12554861a8
13315b815a
141bd0b292
15122200cb
hexba37190

195260816 has 20 divisors (see below), whose sum is σ = 390522624. Its totient is φ = 94480800.

The previous prime is 195260801. The next prime is 195260831. The reversal of 195260816 is 618062591.

It is an interprime number because it is at equal distance from previous prime (195260801) and next prime (195260831).

195260816 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 195260816.

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 3 ways as a sum of consecutive naturals, for example, 196340 + ... + 197331.

Almost surely, 2195260816 is an apocalyptic number.

195260816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195260816 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195260816 is a wasteful number, since it uses less digits than its factorization.

195260816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393710 (or 393704 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 195260816 is about 13973.5756340315. The cubic root of 195260816 is about 580.1474218995.

The spelling of 195260816 in words is "one hundred ninety-five million, two hundred sixty thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 31 62 124 248 496 393671 787342 1574684 3149368 6298736 12203801 24407602 48815204 97630408 195260816