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307734742 = 2721981053
BaseRepresentation
bin10010010101111…
…010100011010110
3210110001112201001
4102111322203112
51112240002432
650311453514
710424462560
oct2225724326
9713045631
10307734742
11148787737
128708729a
134b9a8583
142cc28330
151c03a9e7
hex1257a8d6

307734742 has 8 divisors (see below), whose sum is σ = 527545296. Its totient is φ = 131886312.

The previous prime is 307734683. The next prime is 307734751. The reversal of 307734742 is 247437703.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10990513 + ... + 10990540.

It is an arithmetic number, because the mean of its divisors is an integer number (65943162).

Almost surely, 2307734742 is an apocalyptic number.

307734742 is a deficient number, since it is larger than the sum of its proper divisors (219810554).

307734742 is a wasteful number, since it uses less digits than its factorization.

307734742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21981062.

The product of its (nonzero) digits is 98784, while the sum is 37.

The square root of 307734742 is about 17542.3699083106. The cubic root of 307734742 is about 675.1374147305.

The spelling of 307734742 in words is "three hundred seven million, seven hundred thirty-four thousand, seven hundred forty-two".

Divisors: 1 2 7 14 21981053 43962106 153867371 307734742