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61106130 = 2335227997
BaseRepresentation
bin1110100100011…
…0011111010010
311020222111212000
43221012133102
5111120344010
610021414430
71341251661
oct351063722
9136874760
1061106130
1131546a38
121856a416
13c876597
148188dd8
1555707c0
hex3a467d2

61106130 has 64 divisors (see below), whose sum is σ = 163831680. Its totient is φ = 16206912.

The previous prime is 61106107. The next prime is 61106141. The reversal of 61106130 is 3160116.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60792 + ... + 61788.

It is an arithmetic number, because the mean of its divisors is an integer number (2559870).

Almost surely, 261106130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61106130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81915840).

61106130 is an abundant number, since it is smaller than the sum of its proper divisors (102725550).

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

61106130 is a wasteful number, since it uses less digits than its factorization.

61106130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 61106130 is about 7817.0410002763. The cubic root of 61106130 is about 393.8778813649.

Adding to 61106130 its reverse (3160116), we get a palindrome (64266246).

The spelling of 61106130 in words is "sixty-one million, one hundred six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 227 270 454 681 997 1135 1362 1994 2043 2270 2991 3405 4086 4985 5982 6129 6810 8973 9970 10215 12258 14955 17946 20430 26919 29910 30645 44865 53838 61290 89730 134595 226319 269190 452638 678957 1131595 1357914 2036871 2263190 3394785 4073742 6110613 6789570 10184355 12221226 20368710 30553065 61106130