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102922 = 251461
BaseRepresentation
bin11001001000001010
312020011221
4121020022
511243142
62112254
7606031
oct311012
9166157
10102922
1170366
124b68a
1337b01
1429718
1520767
hex1920a

102922 has 4 divisors (see below), whose sum is σ = 154386. Its totient is φ = 51460.

The previous prime is 102913. The next prime is 102929. The reversal of 102922 is 229201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90601 + 12321 = 301^2 + 111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102896 and 102905.

It is not an unprimeable number, because it can be changed into a prime (102929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25729 + ... + 25732.

2102922 is an apocalyptic number.

102922 is a deficient number, since it is larger than the sum of its proper divisors (51464).

102922 is an equidigital number, since it uses as much as digits as its factorization.

102922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51463.

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

The square root of 102922 is about 320.8145881970. The cubic root of 102922 is about 46.8636458426.

It can be divided in two parts, 102 and 922, that added together give a 10-th power (1024 = 210).

The spelling of 102922 in words is "one hundred two thousand, nine hundred twenty-two".

Divisors: 1 2 51461 102922