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307684092 = 223434011487
BaseRepresentation
bin10010010101101…
…110001011111100
3210102221222020010
4102111232023330
51112231342332
650310423220
710424162112
oct2225561374
9712858203
10307684092
11148752681
1287061b10
134b98b4c1
142cc13ab2
151c02a9cc
hex1256e2fc

307684092 has 48 divisors (see below), whose sum is σ = 736952832. Its totient is φ = 99859200.

The previous prime is 307684067. The next prime is 307684099. The reversal of 307684092 is 290486703.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 307684092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307684099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206173 + ... + 207659.

It is an arithmetic number, because the mean of its divisors is an integer number (15353184).

Almost surely, 2307684092 is an apocalyptic number.

It is an amenable number.

307684092 is an abundant number, since it is smaller than the sum of its proper divisors (429268740).

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

307684092 is a wasteful number, since it uses less digits than its factorization.

307684092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 307684092 is about 17540.9262013156. The cubic root of 307684092 is about 675.1003724539.

The spelling of 307684092 in words is "three hundred seven million, six hundred eighty-four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 401 516 802 1203 1487 1604 2406 2974 4461 4812 5948 8922 17243 17844 34486 51729 63941 68972 103458 127882 191823 206916 255764 383646 596287 767292 1192574 1788861 2385148 3577722 7155444 25640341 51280682 76921023 102561364 153842046 307684092