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2288401320 = 233519070011
BaseRepresentation
bin1000100001100110…
…0011101110101000
312220111000211110110
42020121203232220
514141312320240
61015024214320
7110465042652
oct21031435650
95814024413
102288401320
11a74819867
1253a46a3a0
132a6143a2a
14179ccd6d2
15d5d7ec80
hex88663ba8

2288401320 has 32 divisors (see below), whose sum is σ = 6865204320. Its totient is φ = 610240320.

The previous prime is 2288401319. The next prime is 2288401321. The reversal of 2288401320 is 231048822.

It is an interprime number because it is at equal distance from previous prime (2288401319) and next prime (2288401321).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2288401321) 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, 9534886 + ... + 9535125.

It is an arithmetic number, because the mean of its divisors is an integer number (214537635).

Almost surely, 22288401320 is an apocalyptic number.

2288401320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2288401320 is an abundant number, since it is smaller than the sum of its proper divisors (4576803000).

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

2288401320 is a wasteful number, since it uses less digits than its factorization.

2288401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070025 (or 19070021 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2288401320 is about 47837.2377965116. The cubic root of 2288401320 is about 1317.7834932271.

The spelling of 2288401320 in words is "two billion, two hundred eighty-eight million, four hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 19070011 38140022 57210033 76280044 95350055 114420066 152560088 190700110 228840132 286050165 381400220 457680264 572100330 762800440 1144200660 2288401320