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2997480 = 233524979
BaseRepresentation
bin1011011011110011101000
312122021202210
423123303220
51231404410
6144125120
734323003
oct13336350
95567683
102997480
111768062
1210067a0
1380c475
1458053a
153e3220
hex2dbce8

2997480 has 32 divisors (see below), whose sum is σ = 8992800. Its totient is φ = 799296.

The previous prime is 2997473. The next prime is 2997499. The reversal of 2997480 is 847992.

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 7 ways as a sum of consecutive naturals, for example, 12370 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (281025).

22997480 is an apocalyptic number.

2997480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2997480 is an abundant number, since it is smaller than the sum of its proper divisors (5995320).

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

2997480 is a wasteful number, since it uses less digits than its factorization.

2997480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24993 (or 24989 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2997480 is about 1731.3231933986. The cubic root of 2997480 is about 144.1845627303.

The spelling of 2997480 in words is "two million, nine hundred ninety-seven thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 24979 49958 74937 99916 124895 149874 199832 249790 299748 374685 499580 599496 749370 999160 1498740 2997480