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2980030 = 25319613
BaseRepresentation
bin1011010111100010111110
312121101211111
423113202332
51230330110
6143512234
734221064
oct13274276
95541744
102980030
111755a39
12bb867a
13804541
14578034
153dce8a
hex2d78be

2980030 has 16 divisors (see below), whose sum is σ = 5537664. Its totient is φ = 1153440.

The previous prime is 2980027. The next prime is 2980037. The reversal of 2980030 is 300892.

It is a junction number, because it is equal to n+sod(n) for n = 2979983 and 2980010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (346104).

22980030 is an apocalyptic number.

2980030 is a deficient number, since it is larger than the sum of its proper divisors (2557634).

2980030 is a wasteful number, since it uses less digits than its factorization.

2980030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2980030 is about 1726.2763394080. The cubic root of 2980030 is about 143.9042251514.

The spelling of 2980030 in words is "two million, nine hundred eighty thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 9613 19226 48065 96130 298003 596006 1490015 2980030