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3884621742 = 232215812319
BaseRepresentation
bin1110011110001010…
…1001111110101110
3101000201121020020100
43213202221332232
530423430343432
61441244531530
7165156511551
oct34742517656
911021536210
103884621742
1117138498a1
12904b50ba6
1349ba55361
1428bcbc698
1517b08407c
hexe78a9fae

3884621742 has 12 divisors (see below), whose sum is σ = 8416680480. Its totient is φ = 1294873908.

The previous prime is 3884621729. The next prime is 3884621789. The reversal of 3884621742 is 2471264883.

It is a happy number.

It is a super-2 number, since 2×38846217422 = 30180572156838229128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107906142 + ... + 107906177.

It is an arithmetic number, because the mean of its divisors is an integer number (701390040).

Almost surely, 23884621742 is an apocalyptic number.

3884621742 is an abundant number, since it is smaller than the sum of its proper divisors (4532058738).

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

3884621742 is a wasteful number, since it uses less digits than its factorization.

3884621742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215812327 (or 215812324 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 3884621742 is about 62326.7337664986. The cubic root of 3884621742 is about 1571.9892755130.

The spelling of 3884621742 in words is "three billion, eight hundred eighty-four million, six hundred twenty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 215812319 431624638 647436957 1294873914 1942310871 3884621742