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83458484 = 2221319791
BaseRepresentation
bin1001111100101…
…11100110110100
312211001010111222
410332113212310
5132331132414
612140445512
72032246124
oct476274664
9184033458
1083458484
114312365a
1223b49898
13143a1625
14b126c84
1574d868e
hex4f979b4

83458484 has 12 divisors (see below), whose sum is σ = 146135808. Its totient is φ = 41705400.

The previous prime is 83458481. The next prime is 83458489. The reversal of 83458484 is 48485438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83458481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (12177984).

Almost surely, 283458484 is an apocalyptic number.

It is an amenable number.

83458484 is a deficient number, since it is larger than the sum of its proper divisors (62677324).

83458484 is a wasteful number, since it uses less digits than its factorization.

83458484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11926 (or 11924 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 83458484 is about 9135.5615043630. The cubic root of 83458484 is about 437.0087813535.

The spelling of 83458484 in words is "eighty-three million, four hundred fifty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 2131 4262 8524 9791 19582 39164 20864621 41729242 83458484