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83945652 = 22371636131
BaseRepresentation
bin1010000000011…
…10100010110100
312211221212210020
411000032202310
5132442230102
612155125140
72036345340
oct500164264
9184855706
1083945652
114342667a
12241437b0
13145122ab
14b212620
157582bbc
hex500e8b4

83945652 has 48 divisors (see below), whose sum is σ = 225265152. Its totient is φ = 23833440.

The previous prime is 83945647. The next prime is 83945663. The reversal of 83945652 is 25654938.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10627 + ... + 16757.

It is an arithmetic number, because the mean of its divisors is an integer number (4693024).

Almost surely, 283945652 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 83945652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112632576).

83945652 is an abundant number, since it is smaller than the sum of its proper divisors (141319500).

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

83945652 is a wasteful number, since it uses less digits than its factorization.

83945652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6306 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 83945652 is about 9162.1859837050. The cubic root of 83945652 is about 437.8574419819.

The spelling of 83945652 in words is "eighty-three million, nine hundred forty-five thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 163 326 489 652 978 1141 1956 2282 3423 4564 6131 6846 12262 13692 18393 24524 36786 42917 73572 85834 128751 171668 257502 515004 999353 1998706 2998059 3997412 5996118 6995471 11992236 13990942 20986413 27981884 41972826 83945652