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307406049 = 3723714159
BaseRepresentation
bin10010010100101…
…010010011100001
3210102102211211020
4102110222103201
51112143443144
650300440053
710421623356
oct2224522341
9712384736
10307406049
11148582795
1286b49029
134b8c1a92
142cb8062d
151bec3419
hex1252a4e1

307406049 has 8 divisors (see below), whose sum is σ = 409960320. Its totient is φ = 204894576.

The previous prime is 307405999. The next prime is 307406081. The reversal of 307406049 is 940604703.

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

It is not a de Polignac number, because 307406049 - 28 = 307405793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307406549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14632 + ... + 28790.

It is an arithmetic number, because the mean of its divisors is an integer number (51245040).

Almost surely, 2307406049 is an apocalyptic number.

It is an amenable number.

307406049 is a deficient number, since it is larger than the sum of its proper divisors (102554271).

307406049 is a wasteful number, since it uses less digits than its factorization.

307406049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21399.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 307406049 is about 17532.9988592939. The cubic root of 307406049 is about 674.8969565613.

The spelling of 307406049 in words is "three hundred seven million, four hundred six thousand, forty-nine".

Divisors: 1 3 7237 14159 21711 42477 102468683 307406049