Search a number
-
+
15322231430 = 25113110934111
BaseRepresentation
bin11100100010100011…
…01011001010000110
31110112211111000002222
432101101223022012
5222334442401210
611012224332342
71051461550442
oct162121531206
943484430088
1015322231430
116553000290
122b774740b2
1315a252bb3c
14a54d43822
155ea265655
hex39146b286

15322231430 has 64 divisors (see below), whose sum is σ = 31093825536. Its totient is φ = 5385744000.

The previous prime is 15322231423. The next prime is 15322231433. The reversal of 15322231430 is 3413222351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15322231430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15322231433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3725075 + ... + 3729185.

It is an arithmetic number, because the mean of its divisors is an integer number (485841024).

Almost surely, 215322231430 is an apocalyptic number.

15322231430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15322231430 is an abundant number, since it is smaller than the sum of its proper divisors (15771594106).

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

15322231430 is a wasteful number, since it uses less digits than its factorization.

15322231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 15322231430 its reverse (3413222351), we get a palindrome (18735453781).

The spelling of 15322231430 in words is "fifteen billion, three hundred twenty-two million, two hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1093 1705 2186 3410 4111 5465 8222 10930 12023 20555 24046 33883 41110 45221 60115 67766 90442 120230 127441 169415 226105 254882 338830 372713 452210 637205 745426 1274410 1401851 1863565 2803702 3727130 4493323 7009255 8986646 14018510 22466615 44933230 49426553 98853106 139293013 247132765 278586026 494265530 696465065 1392930130 1532223143 3064446286 7661115715 15322231430