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7899049434 = 231316508239
BaseRepresentation
bin1110101101101000…
…11110110111011010
3202101111110021202110
413112310132313122
5112134124040214
63343452013150
7366513545433
oct72664366732
922344407673
107899049434
113393897831
1216454611b6
1398b658a63
1454d10a48a
15313709159
hex1d6d1edda

7899049434 has 8 divisors (see below), whose sum is σ = 15798098880. Its totient is φ = 2633016476.

The previous prime is 7899049369. The next prime is 7899049447. The reversal of 7899049434 is 4349409987.

It is a sphenic number, since it is the product of 3 distinct primes.

7899049434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658254114 + ... + 658254125.

It is an arithmetic number, because the mean of its divisors is an integer number (1974762360).

Almost surely, 27899049434 is an apocalyptic number.

7899049434 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.

7899049434 is a wasteful number, since it uses less digits than its factorization.

7899049434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316508244.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 7899049434 is about 88876.5966607633. The cubic root of 7899049434 is about 1991.5518171837.

The spelling of 7899049434 in words is "seven billion, eight hundred ninety-nine million, forty-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1316508239 2633016478 3949524717 7899049434