Search a number
-
+
253774509030 = 2345744757409
BaseRepresentation
bin1110110001011000100…
…0111011001111100110
3220021000222111210010000
43230112020323033212
513124212233242110
6312325444242130
724222524510160
oct3542610731746
9807028453100
10253774509030
11986971047a9
12412246a0346
131ac1406c7a3
14c3d5c29930
15690439c1c0
hex3b1623b3e6

253774509030 has 80 divisors (see below), whose sum is σ = 779853111840. Its totient is φ = 58005600768.

The previous prime is 253774509029. The next prime is 253774509047. The reversal of 253774509030 is 30905477352.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22373035 + ... + 22384374.

It is an arithmetic number, because the mean of its divisors is an integer number (9748163898).

Almost surely, 2253774509030 is an apocalyptic number.

253774509030 is an abundant number, since it is smaller than the sum of its proper divisors (526078602810).

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

253774509030 is a wasteful number, since it uses less digits than its factorization.

253774509030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44757435 (or 44757426 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 253774509030 in words is "two hundred fifty-three billion, seven hundred seventy-four million, five hundred nine thousand, thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 270 315 378 405 567 630 810 945 1134 1890 2835 5670 44757409 89514818 134272227 223787045 268544454 313301863 402816681 447574090 626603726 671361135 805633362 939905589 1208450043 1342722270 1566509315 1879811178 2014083405 2416900086 2819716767 3133018630 3625350129 4028166810 4699527945 5639433534 6042250215 7250700258 8459150301 9399055890 12084500430 14098583835 16918300602 18126750645 25377450903 28197167670 36253501290 42295751505 50754901806 84591503010 126887254515 253774509030