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307742463 = 33712712821
BaseRepresentation
bin10010010101111…
…100011011111111
3210110001221022000
4102111330123333
51112240224323
650311553343
710424524230
oct2225743377
9713057260
10307742463
11148792516
128708b853
134b9abc42
142cc2b087
151c03ce43
hex1257c6ff

307742463 has 32 divisors (see below), whose sum is σ = 525189120. Its totient is φ = 174454560.

The previous prime is 307742459. The next prime is 307742521. The reversal of 307742463 is 364247703.

It is a happy number.

It is not a de Polignac number, because 307742463 - 22 = 307742459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307742263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17593 + ... + 30413.

It is an arithmetic number, because the mean of its divisors is an integer number (16412160).

Almost surely, 2307742463 is an apocalyptic number.

307742463 is a deficient number, since it is larger than the sum of its proper divisors (217446657).

307742463 is a wasteful number, since it uses less digits than its factorization.

307742463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964 (or 12958 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 307742463 is about 17542.5899741173. The cubic root of 307742463 is about 675.1430610352.

The spelling of 307742463 in words is "three hundred seven million, seven hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 3 7 9 21 27 63 127 189 381 889 1143 2667 3429 8001 12821 24003 38463 89747 115389 269241 346167 807723 1628267 2423169 4884801 11397869 14654403 34193607 43963209 102580821 307742463