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1942251942 = 23478367679
BaseRepresentation
bin111001111000100…
…0110100110100110
312000100200121210010
41303301012212212
512434204030232
6520421111050
766062604051
oct16361064646
95010617703
101942251942
119073946a4
12462558486
1324c508407
14145d45a98
15b57a70cc
hex73c469a6

1942251942 has 16 divisors (see below), whose sum is σ = 3885373440. Its totient is φ = 647272392.

The previous prime is 1942251929. The next prime is 1942251947. The reversal of 1942251942 is 2491522491.

It is a self number, because there is not a number n which added to its sum of digits gives 1942251942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942251947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142 + ... + 62537.

It is an arithmetic number, because the mean of its divisors is an integer number (242835840).

Almost surely, 21942251942 is an apocalyptic number.

1942251942 is an abundant number, since it is smaller than the sum of its proper divisors (1943121498).

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

1942251942 is a wasteful number, since it uses less digits than its factorization.

1942251942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72467.

The product of its digits is 51840, while the sum is 39.

The square root of 1942251942 is about 44070.9875314815. The cubic root of 1942251942 is about 1247.6760965489.

The spelling of 1942251942 in words is "one billion, nine hundred forty-two million, two hundred fifty-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 4783 9566 14349 28698 67679 135358 203037 406074 323708657 647417314 971125971 1942251942