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292292 = 227111373
BaseRepresentation
bin1000111010111000100
3112211221122
41013113010
533323132
610133112
72325110
oct1072704
9484848
10292292
1118a670
12121198
13a3070
1478740
155b912
hex475c4

292292 has 48 divisors (see below), whose sum is σ = 696192. Its totient is φ = 103680.

The previous prime is 292283. The next prime is 292301.

292292 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (292283) and next prime (292301).

It is a super-2 number, since 2×2922922 = 170869226528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

292292 is an undulating number in base 9.

Its product of digits (1296) is a multiple of the sum of its prime factors (108).

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 292292.

It is an unprimeable number.

292292 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 15 ways as a sum of consecutive naturals, for example, 3968 + ... + 4040.

It is an arithmetic number, because the mean of its divisors is an integer number (14504).

2292292 is an apocalyptic number.

292292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 292292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348096).

292292 is an abundant number, since it is smaller than the sum of its proper divisors (403900).

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

292292 is a wasteful number, since it uses less digits than its factorization.

292292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 106 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 292292 is about 540.6403610534. The cubic root of 292292 is about 66.3649812928.

The spelling of 292292 in words is "two hundred ninety-two thousand, two hundred ninety-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 73 77 91 143 146 154 182 286 292 308 364 511 572 803 949 1001 1022 1606 1898 2002 2044 3212 3796 4004 5621 6643 10439 11242 13286 20878 22484 26572 41756 73073 146146 292292