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61058790 = 232513232269
BaseRepresentation
bin1110100011101…
…0111011100110
311020220002220200
43220322323212
5111112340130
610020411330
71340663652
oct350727346
9136802820
1061058790
1131514411
1218546b46
13c85ab80
148175a62
155561760
hex3a3aee6

61058790 has 96 divisors (see below), whose sum is σ = 178476480. Its totient is φ = 14370048.

The previous prime is 61058783. The next prime is 61058791. The reversal of 61058790 is 9785016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61058791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25776 + ... + 28044.

It is an arithmetic number, because the mean of its divisors is an integer number (1859130).

Almost surely, 261058790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61058790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89238240).

61058790 is an abundant number, since it is smaller than the sum of its proper divisors (117417690).

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

61058790 is a wasteful number, since it uses less digits than its factorization.

61058790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 61058790 is about 7814.0124136067. The cubic root of 61058790 is about 393.7761403658.

The spelling of 61058790 in words is "sixty-one million, fifty-eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 23 26 30 39 45 46 65 69 78 90 115 117 130 138 195 207 230 234 299 345 390 414 585 598 690 897 1035 1170 1495 1794 2070 2269 2691 2990 4485 4538 5382 6807 8970 11345 13455 13614 20421 22690 26910 29497 34035 40842 52187 58994 68070 88491 102105 104374 147485 156561 176982 204210 260935 265473 294970 313122 442455 469683 521870 530946 678431 782805 884910 939366 1327365 1356862 1565610 2035293 2348415 2654730 3392155 4070586 4696830 6105879 6784310 10176465 12211758 20352930 30529395 61058790