Search a number
-
+
23402550444 = 223713199107693
BaseRepresentation
bin10101110010111001…
…101001010010101100
32020101222000201222120
4111302321221102230
5340412023103234
614430113512540
71455636253020
oct256271512254
966358021876
1023402550444
119a1a147589
124651572750
13228c5b45b0
1411c0158380
1591e829049
hex572e694ac

23402550444 has 96 divisors (see below), whose sum is σ = 67545676800. Its totient is φ = 6141028608.

The previous prime is 23402550407. The next prime is 23402550461. The reversal of 23402550444 is 44405520432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163462 + ... + 271154.

It is an arithmetic number, because the mean of its divisors is an integer number (703600800).

Almost surely, 223402550444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23402550444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33772838400).

23402550444 is an abundant number, since it is smaller than the sum of its proper divisors (44143126356).

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

23402550444 is a wasteful number, since it uses less digits than its factorization.

23402550444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107919 (or 107917 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The spelling of 23402550444 in words is "twenty-three billion, four hundred two million, five hundred fifty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 199 273 364 398 546 597 796 1092 1194 1393 2388 2587 2786 4179 5174 5572 7761 8358 10348 15522 16716 18109 31044 36218 54327 72436 107693 108654 215386 217308 323079 430772 646158 753851 1292316 1400009 1507702 2261553 2800018 3015404 4200027 4523106 5600036 8400054 9046212 9800063 16800108 19600126 21430907 29400189 39200252 42861814 58800378 64292721 85723628 117600756 128585442 150016349 257170884 278601791 300032698 450049047 557203582 600065396 835805373 900098094 1114407164 1671610746 1800196188 1950212537 3343221492 3900425074 5850637611 7800850148 11701275222 23402550444