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2381253492 = 223198437791
BaseRepresentation
bin1000110111101111…
…0000101101110100
320010221202012200210
42031323300231310
514334100102432
61032142305420
7113003215002
oct21573605564
96127665623
102381253492
111012178aa2
12565588270
132bc453c47
1418837da72
15de0c18cc
hex8def0b74

2381253492 has 12 divisors (see below), whose sum is σ = 5556258176. Its totient is φ = 793751160.

The previous prime is 2381253463. The next prime is 2381253509. The reversal of 2381253492 is 2943521832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2381253492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99218884 + ... + 99218907.

Almost surely, 22381253492 is an apocalyptic number.

It is an amenable number.

2381253492 is an abundant number, since it is smaller than the sum of its proper divisors (3175004684).

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

2381253492 is a wasteful number, since it uses less digits than its factorization.

2381253492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198437798 (or 198437796 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 2381253492 is about 48798.0890199606. The cubic root of 2381253492 is about 1335.3708035892.

The spelling of 2381253492 in words is "two billion, three hundred eighty-one million, two hundred fifty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 198437791 396875582 595313373 793751164 1190626746 2381253492