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143513664 = 2637106781
BaseRepresentation
bin10001000110111…
…01100001000000
3101000001020201220
420203131201000
5243214414124
622123555040
73361563120
oct1043354100
9330036656
10143513664
1174011a38
124008ba80
132396a738
14150bac80
15c8ec879
hex88dd840

143513664 has 56 divisors (see below), whose sum is σ = 433962048. Its totient is φ = 41003520.

The previous prime is 143513659. The next prime is 143513687. The reversal of 143513664 is 466315341.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52047 + ... + 54734.

Almost surely, 2143513664 is an apocalyptic number.

143513664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143513664 is an abundant number, since it is smaller than the sum of its proper divisors (290448384).

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

143513664 is a wasteful number, since it uses less digits than its factorization.

143513664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106803 (or 106793 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 143513664 is about 11979.7188614758. The cubic root of 143513664 is about 523.5575388152.

The spelling of 143513664 in words is "one hundred forty-three million, five hundred thirteen thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 106781 213562 320343 427124 640686 747467 854248 1281372 1494934 1708496 2242401 2562744 2989868 3416992 4484802 5125488 5979736 6833984 8969604 10250976 11959472 17939208 20501952 23918944 35878416 47837888 71756832 143513664