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308274734 = 2198112493
BaseRepresentation
bin10010010111111…
…110011000101110
3210111001222102202
4102113332120232
51112404242414
650331221502
710432202105
oct2227763056
9714058382
10308274734
11149016409
12872a7892
134bb372b1
142cd2903c
151c0e59de
hex125fe62e

308274734 has 8 divisors (see below), whose sum is σ = 486749640. Its totient is φ = 146024856.

The previous prime is 308274721. The next prime is 308274737. The reversal of 308274734 is 437472803.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 8112493 = 308274734 / (3 + 0 + 8 + 2 + 7 + 4 + 7 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308274737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056209 + ... + 4056284.

It is an arithmetic number, because the mean of its divisors is an integer number (60843705).

Almost surely, 2308274734 is an apocalyptic number.

308274734 is a deficient number, since it is larger than the sum of its proper divisors (178474906).

308274734 is a wasteful number, since it uses less digits than its factorization.

308274734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112514.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 308274734 is about 17557.7542413601. The cubic root of 308274734 is about 675.5320790529.

The spelling of 308274734 in words is "three hundred eight million, two hundred seventy-four thousand, seven hundred thirty-four".

Divisors: 1 2 19 38 8112493 16224986 154137367 308274734