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276264420 = 22356317297
BaseRepresentation
bin10000011101110…
…111010111100100
3201020211200112120
4100131313113210
51031210430140
643225145540
76563131425
oct2035672744
9636750476
10276264420
11131a42603
127862b2b0
134530a293
142899564c
15193c11d0
hex107775e4

276264420 has 48 divisors (see below), whose sum is σ = 774872448. Its totient is φ = 73543680.

The previous prime is 276264419. The next prime is 276264451. The reversal of 276264420 is 24462672.

276264420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34212 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (16143176).

Almost surely, 2276264420 is an apocalyptic number.

276264420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276264420 is an abundant number, since it is smaller than the sum of its proper divisors (498608028).

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

276264420 is a wasteful number, since it uses less digits than its factorization.

276264420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940 (or 7938 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 276264420 is about 16621.2039275138. The cubic root of 276264420 is about 651.2908627315.

The spelling of 276264420 in words is "two hundred seventy-six million, two hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 631 1262 1893 2524 3155 3786 6310 7297 7572 9465 12620 14594 18930 21891 29188 36485 37860 43782 72970 87564 109455 145940 218910 437820 4604407 9208814 13813221 18417628 23022035 27626442 46044070 55252884 69066105 92088140 138132210 276264420