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2930988 = 223317879
BaseRepresentation
bin1011001011100100101100
312111220120010
423023210230
51222242423
6142453220
733625104
oct13134454
95456503
102930988
111722105
12b94210
137b8118
14564204
153cd693
hex2cb92c

2930988 has 24 divisors (see below), whose sum is σ = 7060480. Its totient is φ = 945360.

The previous prime is 2930969. The next prime is 2930999. The reversal of 2930988 is 8890392.

2930988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×29309882 = 17181381312288, which contains 22 as substring.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568 + ... + 4311.

22930988 is an apocalyptic number.

It is an amenable number.

2930988 is an abundant number, since it is smaller than the sum of its proper divisors (4129492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2930988 is a wasteful number, since it uses less digits than its factorization.

2930988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2930988 is about 1712.0128504191. The cubic root of 2930988 is about 143.1104498217.

The spelling of 2930988 in words is "two million, nine hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 7879 15758 23637 31516 47274 94548 244249 488498 732747 976996 1465494 2930988