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2372821940 = 225233950723
BaseRepresentation
bin1000110101101110…
…0110001110110100
320010100212211210002
42031123212032310
514324420300230
61031241450432
7112541440136
oct21533461664
96110784702
102372821940
11100843a275
125627a0a18
132ba791268
141871c7056
15dd4a8545
hex8d6e63b4

2372821940 has 24 divisors (see below), whose sum is σ = 4985154720. Its totient is φ = 948704288.

The previous prime is 2372821909. The next prime is 2372821943. The reversal of 2372821940 is 491282732.

It is a junction number, because it is equal to n+sod(n) for n = 2372821894 and 2372821903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372821943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21419 + ... + 72141.

It is an arithmetic number, because the mean of its divisors is an integer number (207714780).

Almost surely, 22372821940 is an apocalyptic number.

2372821940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2372821940 is an abundant number, since it is smaller than the sum of its proper divisors (2612332780).

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

2372821940 is a wasteful number, since it uses less digits than its factorization.

2372821940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53071 (or 53069 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2372821940 is about 48711.6201742459. The cubic root of 2372821940 is about 1333.7928442580.

The spelling of 2372821940 in words is "two billion, three hundred seventy-two million, eight hundred twenty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2339 4678 9356 11695 23390 46780 50723 101446 202892 253615 507230 1014460 118641097 237282194 474564388 593205485 1186410970 2372821940