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10100690 = 251010069
BaseRepresentation
bin100110100001…
…111111010010
3201000011112122
4212201333102
510041210230
61000254242
7151566035
oct46417722
921004478
1010100690
115779886
123471382
132128652
1414ad01c
15d47be5
hex9a1fd2

10100690 has 8 divisors (see below), whose sum is σ = 18181260. Its totient is φ = 4040272.

The previous prime is 10100689. The next prime is 10100711. The reversal of 10100690 is 9600101.

It can be written as a sum of positive squares in 2 ways, for example, as 10067929 + 32761 = 3173^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101006902 = 204047876952200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505025 + ... + 505044.

Almost surely, 210100690 is an apocalyptic number.

10100690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100690 is a deficient number, since it is larger than the sum of its proper divisors (8080570).

10100690 is a wasteful number, since it uses less digits than its factorization.

10100690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010076.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10100690 is about 3178.1582717039. The cubic root of 10100690 is about 216.1641556204.

Adding to 10100690 its reverse (9600101), we get a palindrome (19700791).

The spelling of 10100690 in words is "ten million, one hundred thousand, six hundred ninety".

Divisors: 1 2 5 10 1010069 2020138 5050345 10100690