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192642 = 2397331
BaseRepresentation
bin101111000010000010
3100210020220
4233002002
522131032
64043510
71431432
oct570202
9323226
10192642
1112180a
1293596
13698b8
14502c2
153c12c
hex2f082

192642 has 16 divisors (see below), whose sum is σ = 390432. Its totient is φ = 63360.

The previous prime is 192637. The next prime is 192667. The reversal of 192642 is 246291.

It is a super-2 number, since 2×1926422 = 74221880328, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 95 + 63 + 211 + 44 + 217 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 747.

It is an arithmetic number, because the mean of its divisors is an integer number (24402).

2192642 is an apocalyptic number.

192642 is an abundant number, since it is smaller than the sum of its proper divisors (197790).

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

192642 is a wasteful number, since it uses less digits than its factorization.

192642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 864, while the sum is 24.

The square root of 192642 is about 438.9100135563. The cubic root of 192642 is about 57.7542115704.

The spelling of 192642 in words is "one hundred ninety-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 97 194 291 331 582 662 993 1986 32107 64214 96321 192642