Search a number
-
+
192311742 = 23710742793
BaseRepresentation
bin10110111011001…
…11000110111110
3111101212110010010
423131213012332
5343212433432
631025524050
74523423430
oct1335470676
9441773103
10192311742
1199611727
12544a3626
1330ac4a3c
141b780650
1511d3b3cc
hexb7671be

192311742 has 32 divisors (see below), whose sum is σ = 443688192. Its totient is φ = 54431424.

The previous prime is 192311741. The next prime is 192311753. The reversal of 192311742 is 247113291.

It is a super-2 number, since 2×1923117422 = 73967612222149128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192311741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16903 + ... + 25890.

It is an arithmetic number, because the mean of its divisors is an integer number (13865256).

Almost surely, 2192311742 is an apocalyptic number.

192311742 is an abundant number, since it is smaller than the sum of its proper divisors (251376450).

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

192311742 is a wasteful number, since it uses less digits than its factorization.

192311742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42912.

The product of its digits is 3024, while the sum is 30.

The square root of 192311742 is about 13867.6509185947. The cubic root of 192311742 is about 577.2118882949.

The spelling of 192311742 in words is "one hundred ninety-two million, three hundred eleven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 107 214 321 642 749 1498 2247 4494 42793 85586 128379 256758 299551 599102 898653 1797306 4578851 9157702 13736553 27473106 32051957 64103914 96155871 192311742