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83492064 = 25321312213
BaseRepresentation
bin1001111100111…
…11110011100000
312211002211120200
410332133303200
5132333221224
612141305200
72032446045
oct476376340
9184084520
1083492064
1143146907
1223b65200
13143b39b6
14b1351cc
1574e35c9
hex4f9fce0

83492064 has 72 divisors (see below), whose sum is σ = 239351112. Its totient is φ = 27605760.

The previous prime is 83492063. The next prime is 83492077. The reversal of 83492064 is 46029438.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83492063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36622 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (3324321).

Almost surely, 283492064 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 83492064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119675556).

83492064 is an abundant number, since it is smaller than the sum of its proper divisors (155859048).

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

83492064 is a wasteful number, since it uses less digits than its factorization.

83492064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 83492064 is about 9137.3991923304. The cubic root of 83492064 is about 437.0673844915.

The spelling of 83492064 in words is "eighty-three million, four hundred ninety-two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 131 144 262 288 393 524 786 1048 1179 1572 2096 2213 2358 3144 4192 4426 4716 6288 6639 8852 9432 12576 13278 17704 18864 19917 26556 35408 37728 39834 53112 70816 79668 106224 159336 212448 289903 318672 579806 637344 869709 1159612 1739418 2319224 2609127 3478836 4638448 5218254 6957672 9276896 10436508 13915344 20873016 27830688 41746032 83492064