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307479142 = 2314959341
BaseRepresentation
bin10010010100111…
…100001001100110
3210102120120002101
4102110330021212
51112203313032
650302202314
710422346435
oct2224741146
9712516071
10307479142
111486226a3
1286b8339a
134b919129
142cb9d11c
151bed9de7
hex1253c266

307479142 has 8 divisors (see below), whose sum is σ = 476096832. Its totient is φ = 148780200.

The previous prime is 307479113. The next prime is 307479167. The reversal of 307479142 is 241974703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2479609 + ... + 2479732.

It is an arithmetic number, because the mean of its divisors is an integer number (59512104).

Almost surely, 2307479142 is an apocalyptic number.

307479142 is a deficient number, since it is larger than the sum of its proper divisors (168617690).

307479142 is a wasteful number, since it uses less digits than its factorization.

307479142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959374.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 307479142 is about 17535.0831763069. The cubic root of 307479142 is about 674.9504431839.

The spelling of 307479142 in words is "three hundred seven million, four hundred seventy-nine thousand, one hundred forty-two".

Divisors: 1 2 31 62 4959341 9918682 153739571 307479142