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3100490 = 25310049
BaseRepresentation
bin1011110100111101001010
312211112001222
423310331022
51243203430
6150242042
735232221
oct13647512
95745058
103100490
111828498
121056322
13847313
145a9cb8
154139e5
hex2f4f4a

3100490 has 8 divisors (see below), whose sum is σ = 5580900. Its totient is φ = 1240192.

The previous prime is 3100463. The next prime is 3100501. The reversal of 3100490 is 940013.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 537289 = 1601^2 + 733^2 .

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

It is a super-2 number, since 2×31004902 = 19226076480200, 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, 155015 + ... + 155034.

Almost surely, 23100490 is an apocalyptic number.

3100490 is a deficient number, since it is larger than the sum of its proper divisors (2480410).

3100490 is a wasteful number, since it uses less digits than its factorization.

3100490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310056.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3100490 is about 1760.8208313170. The cubic root of 3100490 is about 145.8176556389.

The spelling of 3100490 in words is "three million, one hundred thousand, four hundred ninety".

Divisors: 1 2 5 10 310049 620098 1550245 3100490