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307140934 = 2153570467
BaseRepresentation
bin10010010011101…
…001100101000110
3210101221101011011
4102103221211012
51112112002214
650251032434
710416440422
oct2223514506
9711841134
10307140934
11148411591
1286a3b71a
134b82b1c9
142cb11b82
151be6eac4
hex124e9946

307140934 has 4 divisors (see below), whose sum is σ = 460711404. Its totient is φ = 153570466.

The previous prime is 307140929. The next prime is 307140937. The reversal of 307140934 is 439041703.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 307140896 and 307140905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307140937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76785232 + ... + 76785235.

It is an arithmetic number, because the mean of its divisors is an integer number (115177851).

Almost surely, 2307140934 is an apocalyptic number.

307140934 is a deficient number, since it is larger than the sum of its proper divisors (153570470).

307140934 is a wasteful number, since it uses less digits than its factorization.

307140934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153570469.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 307140934 is about 17525.4367705915. The cubic root of 307140934 is about 674.7028845096.

The spelling of 307140934 in words is "three hundred seven million, one hundred forty thousand, nine hundred thirty-four".

Divisors: 1 2 153570467 307140934