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2119240 = 23552981
BaseRepresentation
bin1000000101011001001000
310222200001101
420011121020
51020303430
6113231144
724004354
oct10053110
93880041
102119240
111218242
128624b4
135927b6
143d2464
152bcdca
hex205648

2119240 has 16 divisors (see below), whose sum is σ = 4768380. Its totient is φ = 847680.

The previous prime is 2119231. The next prime is 2119259. The reversal of 2119240 is 429112.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 164836 = 1398^2 + 406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26451 + ... + 26530.

22119240 is an apocalyptic number.

2119240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2119240 is an abundant number, since it is smaller than the sum of its proper divisors (2649140).

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

2119240 is a wasteful number, since it uses less digits than its factorization.

2119240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992 (or 52988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2119240 is about 1455.7609693902. The cubic root of 2119240 is about 128.4478129922.

The spelling of 2119240 in words is "two million, one hundred nineteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 52981 105962 211924 264905 423848 529810 1059620 2119240