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193428082 = 23715716649
BaseRepresentation
bin10111000011101…
…11101001110010
3111110222011110001
423201313221302
5344004144312
631105500214
74536053161
oct1341675162
9443864401
10193428082
119a204421
125494166a
13310c5bb3
141b9913d8
1511eac057
hexb877a72

193428082 has 16 divisors (see below), whose sum is σ = 299899800. Its totient is φ = 93495168.

The previous prime is 193428049. The next prime is 193428107. The reversal of 193428082 is 280824391.

It can be written as a sum of positive squares in 4 ways, for example, as 190191681 + 3236401 = 13791^2 + 1799^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 3294 + ... + 19942.

Almost surely, 2193428082 is an apocalyptic number.

193428082 is a deficient number, since it is larger than the sum of its proper divisors (106471718).

193428082 is a wasteful number, since it uses less digits than its factorization.

193428082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 193428082 is about 13907.8424638763. The cubic root of 193428082 is about 578.3266094684.

It can be divided in two parts, 193 and 428082, that added together give a triangular number (428275 = T925).

The spelling of 193428082 in words is "one hundred ninety-three million, four hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 37 74 157 314 5809 11618 16649 33298 616013 1232026 2613893 5227786 96714041 193428082