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2913020 = 2251113241
BaseRepresentation
bin1011000111001011111100
312110222220122
423013023330
51221204040
6142234112
733521525
oct13071374
95428818
102913020
11170a660
12b85938
137acba6
1455b84c
153c81b5
hex2c72fc

2913020 has 24 divisors (see below), whose sum is σ = 6673968. Its totient is φ = 1059200.

The previous prime is 2913011. The next prime is 2913037. The reversal of 2913020 is 203192.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2913020.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 6401 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (278082).

22913020 is an apocalyptic number.

2913020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2913020 is an abundant number, since it is smaller than the sum of its proper divisors (3760948).

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

2913020 is a wasteful number, since it uses less digits than its factorization.

2913020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13261 (or 13259 counting only the distinct ones).

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

The square root of 2913020 is about 1706.7571590592. The cubic root of 2913020 is about 142.8174108554.

The spelling of 2913020 in words is "two million, nine hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 13241 26482 52964 66205 132410 145651 264820 291302 582604 728255 1456510 2913020