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3998567488 = 263147137313
BaseRepresentation
bin1110111001010101…
…0100110001000000
3101022200000021102011
43232111110301000
531142113124423
61500435102304
7201042156106
oct35625246100
911280007364
103998567488
1117720a5a33
12937141994
134b953c686
1429d09dc76
15186090b0d
hexee554c40

3998567488 has 112 divisors (see below), whose sum is σ = 8452859904. Its totient is φ = 1873797120.

The previous prime is 3998567483. The next prime is 3998567497. The reversal of 3998567488 is 8847658993.

Its product of digits (104509440) is a multiple of the sum of its prime factors (540).

It is not an unprimeable number, because it can be changed into a prime (3998567483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12774820 + ... + 12775132.

Almost surely, 23998567488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3998567488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4226429952).

3998567488 is an abundant number, since it is smaller than the sum of its proper divisors (4454292416).

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

3998567488 is a wasteful number, since it uses less digits than its factorization.

3998567488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 530 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The square root of 3998567488 is about 63234.2271874971. The cubic root of 3998567488 is about 1587.2115317543.

The spelling of 3998567488 in words is "three billion, nine hundred ninety-eight million, five hundred sixty-seven thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 31 32 47 62 64 94 124 137 188 248 274 313 376 496 548 626 752 992 1096 1252 1457 1504 1984 2192 2504 2914 3008 4247 4384 5008 5828 6439 8494 8768 9703 10016 11656 12878 14711 16988 19406 20032 23312 25756 29422 33976 38812 42881 46624 51512 58844 67952 77624 85762 93248 103024 117688 135904 155248 171524 199609 206048 235376 271808 310496 343048 399218 412096 456041 470752 620992 686096 798436 912082 941504 1329311 1372192 1596872 1824164 2015407 2658622 2744384 3193744 3648328 4030814 5317244 6387488 7296656 8061628 10634488 12774976 14593312 16123256 21268976 29186624 32246512 42537952 62477617 64493024 85075904 124955234 128986048 249910468 499820936 999641872 1999283744 3998567488