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1320627330 = 2325111333967
BaseRepresentation
bin100111010110111…
…0010110010000010
310102000222211010100
41032231302302002
510201040033310
6335013343230
744504101311
oct11655626202
93360884110
101320627330
11618506950
1230a337b16
131807aaab9
14c7570278
157ae16ec0
hex4eb72c82

1320627330 has 48 divisors (see below), whose sum is σ = 3745782144. Its totient is φ = 320151840.

The previous prime is 1320627313. The next prime is 1320627331. The reversal of 1320627330 is 337260231.

1320627330 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 627 + 3 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1320627294 and 1320627303.

It is not an unprimeable number, because it can be changed into a prime (1320627331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665994 + ... + 667973.

It is an arithmetic number, because the mean of its divisors is an integer number (78037128).

Almost surely, 21320627330 is an apocalyptic number.

1320627330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320627330 is an abundant number, since it is smaller than the sum of its proper divisors (2425154814).

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

1320627330 is a wasteful number, since it uses less digits than its factorization.

1320627330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333991 (or 1333988 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 1320627330 is about 36340.4365686490. The cubic root of 1320627330 is about 1097.1350599189.

Adding to 1320627330 its reverse (337260231), we get a palindrome (1657887561).

The spelling of 1320627330 in words is "one billion, three hundred twenty million, six hundred twenty-seven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 1333967 2667934 4001901 6669835 8003802 12005703 13339670 14673637 20009505 24011406 29347274 40019010 44020911 60028515 73368185 88041822 120057030 132062733 146736370 220104555 264125466 440209110 660313665 1320627330