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2628324380 = 2251111946929
BaseRepresentation
bin1001110010101001…
…0000110000011100
320210011122201020102
42130222100300130
520340322340010
61112450040232
7122063250203
oct23452206034
96704581212
102628324380
111129691010
12614279078
1332b6ac336
141ad0d623a
15105b27ba5
hex9ca90c1c

2628324380 has 24 divisors (see below), whose sum is σ = 6021252720. Its totient is φ = 955754240.

The previous prime is 2628324331. The next prime is 2628324383. The reversal of 2628324380 is 834238262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628324383) by changing a digit.

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, 5973245 + ... + 5973684.

It is an arithmetic number, because the mean of its divisors is an integer number (250885530).

Almost surely, 22628324380 is an apocalyptic number.

2628324380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628324380 is an abundant number, since it is smaller than the sum of its proper divisors (3392928340).

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

2628324380 is a wasteful number, since it uses less digits than its factorization.

2628324380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946949 (or 11946947 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 2628324380 is about 51267.1861915592. The cubic root of 2628324380 is about 1380.0441734792.

The spelling of 2628324380 in words is "two billion, six hundred twenty-eight million, three hundred twenty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11946929 23893858 47787716 59734645 119469290 131416219 238938580 262832438 525664876 657081095 1314162190 2628324380