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308774342 = 21061145511
BaseRepresentation
bin10010011001111…
…000010111000110
3210112000100202202
4102121320113012
51113021234332
650350034502
710436352512
oct2231702706
9715010682
10308774342
11149327808
12874a8a32
134bc80816
142d019142
151c193a62
hex126785c6

308774342 has 8 divisors (see below), whose sum is σ = 463601232. Its totient is φ = 154240600.

The previous prime is 308774309. The next prime is 308774351. The reversal of 308774342 is 243477803.

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

It is a junction number, because it is equal to n+sod(n) for n = 308774296 and 308774305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70634 + ... + 74877.

It is an arithmetic number, because the mean of its divisors is an integer number (57950154).

Almost surely, 2308774342 is an apocalyptic number.

308774342 is a deficient number, since it is larger than the sum of its proper divisors (154826890).

308774342 is a wasteful number, since it uses less digits than its factorization.

308774342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146574.

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

The square root of 308774342 is about 17571.9760414132. The cubic root of 308774342 is about 675.8968176372.

The spelling of 308774342 in words is "three hundred eight million, seven hundred seventy-four thousand, three hundred forty-two".

Divisors: 1 2 1061 2122 145511 291022 154387171 308774342