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276172068 = 223191211281
BaseRepresentation
bin10000011101100…
…000110100100100
3201020122222212010
4100131200310210
51031200001233
643223154220
76562265244
oct2035406444
9636588763
10276172068
1113198a187
12785a5970
13452a7233
142896db24
15193a3b63
hex10760d24

276172068 has 24 divisors (see below), whose sum is σ = 678317920. Its totient is φ = 87212160.

The previous prime is 276172027. The next prime is 276172079. The reversal of 276172068 is 860271672.

It is a super-2 number, since 2×2761720682 = 152542022286793248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605413 + ... + 605868.

Almost surely, 2276172068 is an apocalyptic number.

It is an amenable number.

276172068 is an abundant number, since it is smaller than the sum of its proper divisors (402145852).

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

276172068 is a wasteful number, since it uses less digits than its factorization.

276172068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211307 (or 1211305 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 276172068 is about 16618.4255571940. The cubic root of 276172068 is about 651.2182816426.

The spelling of 276172068 in words is "two hundred seventy-six million, one hundred seventy-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1211281 2422562 3633843 4845124 7267686 14535372 23014339 46028678 69043017 92057356 138086034 276172068