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83132630 = 2576119469
BaseRepresentation
bin1001111010010…
…00000011010110
312210102120112022
410331020003112
5132240221010
612125453142
72026421120
oct475100326
9183376468
1083132630
1142a20859
1223a111b2
13142b9209
14b080210
157471d55
hex4f480d6

83132630 has 32 divisors (see below), whose sum is σ = 173828160. Its totient is φ = 28033920.

The previous prime is 83132617. The next prime is 83132633. The reversal of 83132630 is 3623138.

It is a super-2 number, since 2×831326302 = 13822068341433800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83132630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83132633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5465 + ... + 14004.

It is an arithmetic number, because the mean of its divisors is an integer number (5432130).

Almost surely, 283132630 is an apocalyptic number.

83132630 is an abundant number, since it is smaller than the sum of its proper divisors (90695530).

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

83132630 is a wasteful number, since it uses less digits than its factorization.

83132630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19544.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 83132630 is about 9117.7096904870. The cubic root of 83132630 is about 436.4392894531.

Adding to 83132630 its reverse (3623138), we get a palindrome (86755768).

The spelling of 83132630 in words is "eighty-three million, one hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 61 70 122 305 427 610 854 2135 4270 19469 38938 97345 136283 194690 272566 681415 1187609 1362830 2375218 5938045 8313263 11876090 16626526 41566315 83132630