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3781322292 = 2231128646381
BaseRepresentation
bin1110000101100010…
…0110011000110100
3100202112020002000210
43201120212120310
530221004303132
61423114505420
7162463465146
oct34130463064
910675202023
103781322292
111670504450
12896435270
13483527b17
1427c2acc96
15171e7bbcc
hexe1626634

3781322292 has 24 divisors (see below), whose sum is σ = 9625184352. Its totient is φ = 1145855200.

The previous prime is 3781322287. The next prime is 3781322299. The reversal of 3781322292 is 2922231873.

It is a super-2 number, since 2×37813222922 = 28596796551952266528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3781322292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781322299) 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, 14323059 + ... + 14323322.

It is an arithmetic number, because the mean of its divisors is an integer number (401049348).

Almost surely, 23781322292 is an apocalyptic number.

It is an amenable number.

3781322292 is an abundant number, since it is smaller than the sum of its proper divisors (5843862060).

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

3781322292 is a wasteful number, since it uses less digits than its factorization.

3781322292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646399 (or 28646397 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3781322292 is about 61492.4571959846. The cubic root of 3781322292 is about 1557.9298494168.

The spelling of 3781322292 in words is "three billion, seven hundred eighty-one million, three hundred twenty-two thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 28646381 57292762 85939143 114585524 171878286 315110191 343756572 630220382 945330573 1260440764 1890661146 3781322292