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492156 = 22347231
BaseRepresentation
bin1111000001001111100
3221000010000
41320021330
5111222111
614314300
74116600
oct1701174
9830100
10492156
11306845
121b8990
13143022
14cb500
159ac56
hex7827c

492156 has 90 divisors (see below), whose sum is σ = 1544928. Its totient is φ = 136080.

The previous prime is 492113. The next prime is 492227. The reversal of 492156 is 651294.

492156 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

492156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 15861 + ... + 15891.

2492156 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 492156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772464).

492156 is an abundant number, since it is smaller than the sum of its proper divisors (1052772).

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

492156 is a wasteful number, since it uses less digits than its factorization.

492156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 43 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 492156 is about 701.5383097166. The cubic root of 492156 is about 78.9528105722.

The spelling of 492156 in words is "four hundred ninety-two thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 81 84 93 98 108 124 126 147 162 186 189 196 217 252 279 294 324 372 378 434 441 558 567 588 651 756 837 868 882 1116 1134 1302 1323 1519 1674 1764 1953 2268 2511 2604 2646 3038 3348 3906 3969 4557 5022 5292 5859 6076 7812 7938 9114 10044 11718 13671 15876 17577 18228 23436 27342 35154 41013 54684 70308 82026 123039 164052 246078 492156