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1908601996 = 22768164357
BaseRepresentation
bin111000111000010…
…1111010010001100
311221000101000201211
41301300233102030
512402100230441
6513215544204
765203564210
oct16160572214
94830330654
101908601996
1189a3a0a24
1245322b064
13245555cc2
141416a6940
15b285ba81
hex71c2f48c

1908601996 has 12 divisors (see below), whose sum is σ = 3817204048. Its totient is φ = 817972272.

The previous prime is 1908601993. The next prime is 1908602021. The reversal of 1908601996 is 6991068091.

1908601996 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1908601993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34082151 + ... + 34082206.

Almost surely, 21908601996 is an apocalyptic number.

It is an amenable number.

1908601996 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.

1908601996 is a wasteful number, since it uses less digits than its factorization.

1908601996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68164368 (or 68164366 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1908601996 is about 43687.5496680690. The cubic root of 1908601996 is about 1240.4286577308.

The spelling of 1908601996 in words is "one billion, nine hundred eight million, six hundred one thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 68164357 136328714 272657428 477150499 954300998 1908601996