Search a number
-
+
423331254 = 232591912087
BaseRepresentation
bin11001001110111…
…000010110110110
31002111120110022100
4121032320112312
51331333100004
6110001242530
713330153623
oct3116702666
91074513270
10423331254
111a7a61045
12b9933446
1369920088
144031934a
1527271739
hex193b85b6

423331254 has 48 divisors (see below), whose sum is σ = 938096640. Its totient is φ = 137926320.

The previous prime is 423331253. The next prime is 423331283. The reversal of 423331254 is 452133324.

It is a super-2 number, since 2×4233312542 = 358418701226425032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423331253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201799 + ... + 203885.

It is an arithmetic number, because the mean of its divisors is an integer number (19543680).

Almost surely, 2423331254 is an apocalyptic number.

423331254 is an abundant number, since it is smaller than the sum of its proper divisors (514765386).

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

423331254 is a wasteful number, since it uses less digits than its factorization.

423331254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2342 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 423331254 is about 20575.0152855350. The cubic root of 423331254 is about 750.8619742876.

Adding to 423331254 its reverse (452133324), we get a palindrome (875464578).

The spelling of 423331254 in words is "four hundred twenty-three million, three hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 59 118 177 191 354 382 531 573 1062 1146 1719 2087 3438 4174 6261 11269 12522 18783 22538 33807 37566 67614 101421 123133 202842 246266 369399 398617 738798 797234 1108197 1195851 2216394 2391702 3587553 7175106 23518403 47036806 70555209 141110418 211665627 423331254