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1047052806 = 231394792621
BaseRepresentation
bin111110011010001…
…100001000000110
32200222012210102120
4332122030020012
54121021142211
6251521550410
734642542042
oct7632141006
92628183376
101047052806
114980412a8
122527a5406
13138c02c97
149d0b9022
1561dc7d06
hex3e68c206

1047052806 has 32 divisors (see below), whose sum is σ = 2114380800. Its totient is φ = 345651360.

The previous prime is 1047052771. The next prime is 1047052813. The reversal of 1047052806 is 6082507401.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 398176 + ... + 400796.

It is an arithmetic number, because the mean of its divisors is an integer number (66074400).

Almost surely, 21047052806 is an apocalyptic number.

1047052806 is an abundant number, since it is smaller than the sum of its proper divisors (1067327994).

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

1047052806 is a wasteful number, since it uses less digits than its factorization.

1047052806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1047052806 is about 32358.1953452290. The cubic root of 1047052806 is about 1015.4445078370. Note that the first 3 decimals are identical.

The spelling of 1047052806 in words is "one billion, forty-seven million, fifty-two thousand, eight hundred six".

Divisors: 1 2 3 6 139 278 417 479 834 958 1437 2621 2874 5242 7863 15726 66581 133162 199743 364319 399486 728638 1092957 1255459 2185914 2510918 3766377 7532754 174508801 349017602 523526403 1047052806