Search a number
-
+
307422437 = 7439831039
BaseRepresentation
bin10010010100101…
…110010011100101
3210102110200022012
4102110232103211
51112200004222
650301044005
710422022220
oct2224562345
9712420265
10307422437
11148594033
1286b56605
134b8c938a
142cb865b7
151bec81e2
hex1252e4e5

307422437 has 16 divisors (see below), whose sum is σ = 360222720. Its totient is φ = 256867632.

The previous prime is 307422431. The next prime is 307422457. The reversal of 307422437 is 734224703.

It is not a de Polignac number, because 307422437 - 212 = 307418341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307422431) 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, 295364 + ... + 296402.

It is an arithmetic number, because the mean of its divisors is an integer number (22513920).

Almost surely, 2307422437 is an apocalyptic number.

It is an amenable number.

307422437 is a deficient number, since it is larger than the sum of its proper divisors (52800283).

307422437 is a wasteful number, since it uses less digits than its factorization.

307422437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 307422437 is about 17533.4662003838. The cubic root of 307422437 is about 674.9089494014.

The spelling of 307422437 in words is "three hundred seven million, four hundred twenty-two thousand, four hundred thirty-seven".

Divisors: 1 7 43 301 983 1039 6881 7273 42269 44677 295883 312739 1021337 7149359 43917491 307422437