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920122 = 27241229
BaseRepresentation
bin11100000101000111010
31201202011121
43200220322
5213420442
631415454
710551400
oct3405072
91652147
10920122
11579335
1238458a
13262a68
1419d470
15132967
hexe0a3a

920122 has 24 divisors (see below), whose sum is σ = 1651860. Its totient is φ = 383040.

The previous prime is 920107. The next prime is 920123. The reversal of 920122 is 221029.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 919681 + 441 = 959^2 + 21^2 .

It is a junction number, because it is equal to n+sod(n) for n = 920096 and 920105.

It is not an unprimeable number, because it can be changed into a prime (920123) 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, 3904 + ... + 4132.

2920122 is an apocalyptic number.

920122 is a deficient number, since it is larger than the sum of its proper divisors (731738).

920122 is a wasteful number, since it uses less digits than its factorization.

920122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 920122 is about 959.2298994506. The cubic root of 920122 is about 97.2631815564.

The spelling of 920122 in words is "nine hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 41 49 82 98 229 287 458 574 1603 2009 3206 4018 9389 11221 18778 22442 65723 131446 460061 920122