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58250730 = 23561139229
BaseRepresentation
bin1101111000110…
…1010111101010
311001121102222110
43132031113222
5104403010410
65440303150
71305060126
oct336152752
9131542873
1058250730
112a9766aa
1217611ab6
13c0b69b5
147a44586
1551a9720
hex378d5ea

58250730 has 64 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 15102720.

The previous prime is 58250707. The next prime is 58250737. The reversal of 58250730 is 3705285.

58250730 = 3862 + 3872 + ... + 6142.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (58250737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254256 + ... + 254484.

It is an arithmetic number, because the mean of its divisors is an integer number (2245950).

Almost surely, 258250730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58250730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71870400).

58250730 is an abundant number, since it is smaller than the sum of its proper divisors (85490070).

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

58250730 is a wasteful number, since it uses less digits than its factorization.

58250730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 58250730 is about 7632.2165849771. The cubic root of 58250730 is about 387.6446466584.

The spelling of 58250730 in words is "fifty-eight million, two hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 139 183 229 278 305 366 417 458 610 687 695 834 915 1145 1374 1390 1830 2085 2290 3435 4170 6870 8479 13969 16958 25437 27938 31831 41907 42395 50874 63662 69845 83814 84790 95493 127185 139690 159155 190986 209535 254370 318310 419070 477465 954930 1941691 3883382 5825073 9708455 11650146 19416910 29125365 58250730