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190108 = 2247527
BaseRepresentation
bin101110011010011100
3100122210001
4232122130
522040413
64024044
71421152
oct563234
9318701
10190108
1111a916
1292024
13686b9
144d3d2
153b4dd
hex2e69c

190108 has 6 divisors (see below), whose sum is σ = 332696. Its totient is φ = 95052.

The previous prime is 190097. The next prime is 190121. The reversal of 190108 is 801091.

It is a super-2 number, since 2×1901082 = 72282103328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23760 + ... + 23767.

2190108 is an apocalyptic number.

It is an amenable number.

190108 is a deficient number, since it is larger than the sum of its proper divisors (142588).

190108 is a wasteful number, since it uses less digits than its factorization.

190108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47531 (or 47529 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 190108 is about 436.0137612507. The cubic root of 190108 is about 57.4998613733.

Subtracting from 190108 its product of nonzero digits (72), we obtain a triangular number (190036 = T616).

Adding to 190108 its reverse (801091), we get a palindrome (991199).

It can be divided in two parts, 1 and 90108, that added together give a palindrome (90109).

The spelling of 190108 in words is "one hundred ninety thousand, one hundred eight".

Divisors: 1 2 4 47527 95054 190108