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2906040823 = 71923949997
BaseRepresentation
bin1010110100110110…
…1010100111110111
321111112020011120121
42231031222213313
521422421301243
61200210312411
7132004640140
oct25515524767
97445204517
102906040823
111261425534
12691288707
133740a74aa
141d7d48ac7
151201d41ed
hexad36a9f7

2906040823 has 16 divisors (see below), whose sum is σ = 3647992320. Its totient is φ = 2257190496.

The previous prime is 2906040799. The next prime is 2906040829. The reversal of 2906040823 is 3280406092.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2906040823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906040829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471940 + ... + 478057.

It is an arithmetic number, because the mean of its divisors is an integer number (227999520).

Almost surely, 22906040823 is an apocalyptic number.

2906040823 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2906040823 is a deficient number, since it is larger than the sum of its proper divisors (741951497).

2906040823 is a wasteful number, since it uses less digits than its factorization.

2906040823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950046.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2906040823 is about 53907.7065269893. The cubic root of 2906040823 is about 1427.0326298684.

The spelling of 2906040823 in words is "two billion, nine hundred six million, forty thousand, eight hundred twenty-three".

Divisors: 1 7 19 23 133 161 437 3059 949997 6649979 18049943 21849931 126349601 152949517 415148689 2906040823