Search a number
-
+
23343870 = 23511127557
BaseRepresentation
bin101100100001…
…1001011111110
31121220222202210
41121003023332
521434000440
62152201250
7402263634
oct131031376
947828683
1023343870
11121a4660
127999226
134ab4454
143159354
1520b1a80
hex16432fe

23343870 has 64 divisors (see below), whose sum is σ = 61710336. Its totient is φ = 5604480.

The previous prime is 23343809. The next prime is 23343911. The reversal of 23343870 is 7834332.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 41632 + ... + 42188.

It is an arithmetic number, because the mean of its divisors is an integer number (964224).

Almost surely, 223343870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23343870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30855168).

23343870 is an abundant number, since it is smaller than the sum of its proper divisors (38366466).

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

23343870 is a wasteful number, since it uses less digits than its factorization.

23343870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 23343870 is about 4831.5494409144. The cubic root of 23343870 is about 285.7969690460.

The spelling of 23343870 in words is "twenty-three million, three hundred forty-three thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 127 165 254 330 381 557 635 762 1114 1270 1397 1671 1905 2785 2794 3342 3810 4191 5570 6127 6985 8355 8382 12254 13970 16710 18381 20955 30635 36762 41910 61270 70739 91905 141478 183810 212217 353695 424434 707390 778129 1061085 1556258 2122170 2334387 3890645 4668774 7781290 11671935 23343870