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292138 = 27211271
BaseRepresentation
bin1000111010100101010
3112211201221
41013110222
533322023
610132254
72324500
oct1072452
9484657
10292138
1118a540
1212108a
13a2c82
1478670
155b85d
hex4752a

292138 has 24 divisors (see below), whose sum is σ = 558144. Its totient is φ = 113400.

The previous prime is 292133. The next prime is 292141. The reversal of 292138 is 831292.

It is a super-2 number, since 2×2921382 = 170689222088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (292133) 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, 943 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (23256).

2292138 is an apocalyptic number.

292138 is a deficient number, since it is larger than the sum of its proper divisors (266006).

292138 is a wasteful number, since it uses less digits than its factorization.

292138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 292138 is about 540.4979185899. The cubic root of 292138 is about 66.3533239974.

The spelling of 292138 in words is "two hundred ninety-two thousand, one hundred thirty-eight".

Divisors: 1 2 7 11 14 22 49 77 98 154 271 539 542 1078 1897 2981 3794 5962 13279 20867 26558 41734 146069 292138