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3887429469 = 371119885721
BaseRepresentation
bin1110011110110101…
…0111011101011101
3101000220212212201020
43213231113131131
530430140220334
61441425034353
7165222414420
oct34755273535
911026785636
103887429469
111715397330
12905a859b9
1349c4c9331
1428c40d9b7
1517b43ae49
hexe7b5775d

3887429469 has 32 divisors (see below), whose sum is σ = 6802344960. Its totient is φ = 1913155200.

The previous prime is 3887429461. The next prime is 3887429471. The reversal of 3887429469 is 9649247883.

It is not a de Polignac number, because 3887429469 - 23 = 3887429461 is a prime.

It is a super-2 number, since 2×38874294692 = 30224215752899243922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887429461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438472 + ... + 447249.

It is an arithmetic number, because the mean of its divisors is an integer number (212573280).

Almost surely, 23887429469 is an apocalyptic number.

It is an amenable number.

3887429469 is a deficient number, since it is larger than the sum of its proper divisors (2914915491).

3887429469 is a wasteful number, since it uses less digits than its factorization.

3887429469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885761.

The product of its digits is 20901888, while the sum is 60.

The square root of 3887429469 is about 62349.2539570443. The cubic root of 3887429469 is about 1572.3679184517.

The spelling of 3887429469 in words is "three billion, eight hundred eighty-seven million, four hundred twenty-nine thousand, four hundred sixty-nine".

Divisors: 1 3 7 11 19 21 33 57 77 133 209 231 399 627 1463 4389 885721 2657163 6200047 9742931 16828699 18600141 29228793 50486097 68200517 117800893 185115689 204601551 353402679 555347067 1295809823 3887429469