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61034630 = 2543141941
BaseRepresentation
bin1110100011010…
…1000010000110
311020211212202212
43220311002012
5111111102010
610020103422
71340533346
oct350650206
9136755685
1061034630
11314a8248
1218534b72
13c84cb87
14816ad26
155559505
hex3a35086

61034630 has 16 divisors (see below), whose sum is σ = 112418064. Its totient is φ = 23845920.

The previous prime is 61034627. The next prime is 61034651. The reversal of 61034630 is 3643016.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61034596 and 61034605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70541 + ... + 71400.

It is an arithmetic number, because the mean of its divisors is an integer number (7026129).

Almost surely, 261034630 is an apocalyptic number.

61034630 is a deficient number, since it is larger than the sum of its proper divisors (51383434).

61034630 is a wasteful number, since it uses less digits than its factorization.

61034630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141991.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 61034630 is about 7812.4663199274. The cubic root of 61034630 is about 393.7241965118.

Adding to 61034630 its reverse (3643016), we get a palindrome (64677646).

The spelling of 61034630 in words is "sixty-one million, thirty-four thousand, six hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 141941 283882 709705 1419410 6103463 12206926 30517315 61034630