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276540896 = 25194491013
BaseRepresentation
bin10000011110111…
…010110111100000
3201021100201210102
4100132322313200
51031243302041
643235121532
76565362452
oct2036726740
9637321712
10276540896
111321112a5
12787432a8
13453a6088
1428a282d2
151942809b
hex107bade0

276540896 has 48 divisors (see below), whose sum is σ = 574938000. Its totient is φ = 130572288.

The previous prime is 276540893. The next prime is 276540907. The reversal of 276540896 is 698045672.

It is a self number, because there is not a number n which added to its sum of digits gives 276540896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276540893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272486 + ... + 273498.

It is an arithmetic number, because the mean of its divisors is an integer number (11977875).

Almost surely, 2276540896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276540896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287469000).

276540896 is an abundant number, since it is smaller than the sum of its proper divisors (298397104).

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

276540896 is a wasteful number, since it uses less digits than its factorization.

276540896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 276540896 is about 16629.5188144456. The cubic root of 276540896 is about 651.5080535154.

The spelling of 276540896 in words is "two hundred seventy-six million, five hundred forty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 449 608 898 1013 1796 2026 3592 4052 7184 8104 8531 14368 16208 17062 19247 32416 34124 38494 68248 76988 136496 153976 272992 307952 454837 615904 909674 1819348 3638696 7277392 8641903 14554784 17283806 34567612 69135224 138270448 276540896