Search a number
-
+
307923226 = 21347251983
BaseRepresentation
bin10010010110101…
…000100100011010
3210110102010020221
4102112220210122
51112312020401
650315510254
710426206232
oct2226504432
9713363227
10307923226
111488a6306
128715838a
134ba432c0
142cc76cc2
151c0767a1
hex125a891a

307923226 has 16 divisors (see below), whose sum is σ = 507999744. Its totient is φ = 139094064.

The previous prime is 307923221. The next prime is 307923233. The reversal of 307923226 is 622329703.

It is a super-2 number, since 2×3079232262 = 189633426220494152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307923191 and 307923200.

It is not an unprimeable number, because it can be changed into a prime (307923221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124770 + ... + 127213.

It is an arithmetic number, because the mean of its divisors is an integer number (31749984).

Almost surely, 2307923226 is an apocalyptic number.

307923226 is a deficient number, since it is larger than the sum of its proper divisors (200076518).

307923226 is a wasteful number, since it uses less digits than its factorization.

307923226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252045.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 307923226 is about 17547.7413361378. The cubic root of 307923226 is about 675.2752245731.

The spelling of 307923226 in words is "three hundred seven million, nine hundred twenty-three thousand, two hundred twenty-six".

Divisors: 1 2 13 26 47 94 611 1222 251983 503966 3275779 6551558 11843201 23686402 153961613 307923226