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2990630 = 25299063
BaseRepresentation
bin1011011010001000100110
312121221101002
423122020212
51231200010
6144033302
734264016
oct13321046
95557332
102990630
1117629a5
121002832
13809306
1457bc46
153e11a5
hex2da226

2990630 has 8 divisors (see below), whose sum is σ = 5383152. Its totient is φ = 1196248.

The previous prime is 2990629. The next prime is 2990639. The reversal of 2990630 is 360992.

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

It is a junction number, because it is equal to n+sod(n) for n = 2990593 and 2990602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990639) 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, 149522 + ... + 149541.

It is an arithmetic number, because the mean of its divisors is an integer number (672894).

22990630 is an apocalyptic number.

2990630 is a deficient number, since it is larger than the sum of its proper divisors (2392522).

2990630 is a wasteful number, since it uses less digits than its factorization.

2990630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299070.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2990630 is about 1729.3438061878. The cubic root of 2990630 is about 144.0746462264.

The spelling of 2990630 in words is "two million, nine hundred ninety thousand, six hundred thirty".

Divisors: 1 2 5 10 299063 598126 1495315 2990630