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331292 = 221323277
BaseRepresentation
bin1010000111000011100
3121211110002
41100320130
541100132
611033432
72546603
oct1207034
9554402
10331292
112069a5
1213b878
13b7a40
1488a3a
1568262
hex50e1c

331292 has 24 divisors (see below), whose sum is σ = 653856. Its totient is φ = 145728.

The previous prime is 331283. The next prime is 331301. The reversal of 331292 is 292133.

It can be divided in two parts, 3312 and 92, that multiplied together give a square (304704 = 5522).

It is an interprime number because it is at equal distance from previous prime (331283) and next prime (331301).

It is a congruent number.

It is an unprimeable number.

331292 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 7 ways as a sum of consecutive naturals, for example, 1058 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (27244).

2331292 is an apocalyptic number.

It is an amenable number.

331292 is a deficient number, since it is larger than the sum of its proper divisors (322564).

331292 is a wasteful number, since it uses less digits than its factorization.

331292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 331292 is about 575.5797077730. The cubic root of 331292 is about 69.1942993734.

The spelling of 331292 in words is "three hundred thirty-one thousand, two hundred ninety-two".

Divisors: 1 2 4 13 23 26 46 52 92 277 299 554 598 1108 1196 3601 6371 7202 12742 14404 25484 82823 165646 331292