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2004523240 = 235311616551
BaseRepresentation
bin111011101111010…
…1001100011101000
312011200212022221111
41313132221203220
513101124220430
6530523520104
7100450111036
oct16736514350
95150768844
102004523240
11939556a85
1247b389034
1325c39c135
14150315556
15baea7c2a
hex777a98e8

2004523240 has 32 divisors (see below), whose sum is σ = 4655669760. Its totient is φ = 775944000.

The previous prime is 2004523201. The next prime is 2004523249. The reversal of 2004523240 is 423254002.

It is a super-2 number, since 2×20045232402 = 8036226839400195200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2004523249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807036 + ... + 809515.

It is an arithmetic number, because the mean of its divisors is an integer number (145489680).

Almost surely, 22004523240 is an apocalyptic number.

2004523240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004523240 is an abundant number, since it is smaller than the sum of its proper divisors (2651146520).

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

2004523240 is a wasteful number, since it uses less digits than its factorization.

2004523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616593 (or 1616589 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2004523240 is about 44771.9023495763. The cubic root of 2004523240 is about 1260.8701556302.

Adding to 2004523240 its reverse (423254002), we get a palindrome (2427777242).

The spelling of 2004523240 in words is "two billion, four million, five hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 1616551 3233102 6466204 8082755 12932408 16165510 32331020 50113081 64662040 100226162 200452324 250565405 400904648 501130810 1002261620 2004523240