Search a number
-
+
229746752390 = 25431792984887
BaseRepresentation
bin1101010111110111111…
…0010011101110000110
3210222000110001021110102
43111331332103232012
512231010132034030
6253313314124102
722412224113431
oct3257576235606
9728013037412
10229746752390
1189487063591
1238639880632
13188850a55cc
14b196a46818
155e99c26c45
hex357df93b86

229746752390 has 32 divisors (see below), whose sum is σ = 425525633280. Its totient is φ = 89260030944.

The previous prime is 229746752377. The next prime is 229746752401. The reversal of 229746752390 is 93257647922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415474 + ... + 1569413.

It is an arithmetic number, because the mean of its divisors is an integer number (13297676040).

Almost surely, 2229746752390 is an apocalyptic number.

229746752390 is a deficient number, since it is larger than the sum of its proper divisors (195778880890).

229746752390 is a wasteful number, since it uses less digits than its factorization.

229746752390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985116.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 229746752390 in words is "two hundred twenty-nine billion, seven hundred forty-six million, seven hundred fifty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 43 86 179 215 358 430 895 1790 7697 15394 38485 76970 2984887 5969774 14924435 29848870 128350141 256700282 534294773 641750705 1068589546 1283501410 2671473865 5342947730 22974675239 45949350478 114873376195 229746752390