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10105090 = 251010509
BaseRepresentation
bin100110100011…
…000100000010
3201000101120121
4212203010002
510041330330
61000330454
7151614622
oct46430402
921011517
1010105090
115782116
123473a2a
13212a658
1414b0882
15d4917a
hex9a3102

10105090 has 8 divisors (see below), whose sum is σ = 18189180. Its totient is φ = 4042032.

The previous prime is 10105061. The next prime is 10105091. The reversal of 10105090 is 9050101.

It can be written as a sum of positive squares in 2 ways, for example, as 9223369 + 881721 = 3037^2 + 939^2 .

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

It is a super-2 number, since 2×101050902 = 204225687816200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10105091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505245 + ... + 505264.

Almost surely, 210105090 is an apocalyptic number.

10105090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10105090 is a deficient number, since it is larger than the sum of its proper divisors (8084090).

10105090 is a wasteful number, since it uses less digits than its factorization.

10105090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010516.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 10105090 is about 3178.8504211428. The cubic root of 10105090 is about 216.1955390939.

Adding to 10105090 its reverse (9050101), we get a palindrome (19155191).

The spelling of 10105090 in words is "ten million, one hundred five thousand, ninety".

Divisors: 1 2 5 10 1010509 2021018 5052545 10105090