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307405674 = 232194432029
BaseRepresentation
bin10010010100101…
…010001101101010
3210102102211022100
4102110222031222
51112143440144
650300434230
710421622312
oct2224521552
9712384270
10307405674
11148582484
1286b48976
134b8c1864
142cb80442
151bec3269
hex1252a36a

307405674 has 48 divisors (see below), whose sum is σ = 703029600. Its totient is φ = 96808608.

The previous prime is 307405673. The next prime is 307405687. The reversal of 307405674 is 476504703.

307405674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (307405673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 150492 + ... + 152520.

It is an arithmetic number, because the mean of its divisors is an integer number (14646450).

Almost surely, 2307405674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307405674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351514800).

307405674 is an abundant number, since it is smaller than the sum of its proper divisors (395623926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307405674 is a wasteful number, since it uses less digits than its factorization.

307405674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 307405674 is about 17532.9881651702. The cubic root of 307405674 is about 674.8966821290.

The spelling of 307405674 in words is "three hundred seven million, four hundred five thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 443 886 1329 2029 2658 3987 4058 6087 7974 8417 12174 16834 18261 25251 36522 38551 50502 75753 77102 115653 151506 231306 346959 693918 898847 1797694 2696541 5393082 8089623 16179246 17078093 34156186 51234279 102468558 153702837 307405674