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58133680 = 24511312131
BaseRepresentation
bin1101110111000…
…0110010110000
311001101111102021
43131300302300
5104340234210
65434001224
71304061643
oct335606260
9131344367
1058133680
112a8a6770
1217576214
13c075637
147a13a5a
155184bda
hex3770cb0

58133680 has 80 divisors (see below), whose sum is σ = 152275968. Its totient is φ = 20448000.

The previous prime is 58133653. The next prime is 58133683. The reversal of 58133680 is 8633185.

It is a happy number.

58133680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (58133683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26215 + ... + 28345.

Almost surely, 258133680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58133680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76137984).

58133680 is an abundant number, since it is smaller than the sum of its proper divisors (94142288).

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

58133680 is a wasteful number, since it uses less digits than its factorization.

58133680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 58133680 is about 7624.5445765632. The cubic root of 58133680 is about 387.3848259860.

The spelling of 58133680 in words is "fifty-eight million, one hundred thirty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 40 44 55 62 80 88 110 124 155 176 220 248 310 341 440 496 620 682 880 1240 1364 1705 2131 2480 2728 3410 4262 5456 6820 8524 10655 13640 17048 21310 23441 27280 34096 42620 46882 66061 85240 93764 117205 132122 170480 187528 234410 264244 330305 375056 468820 528488 660610 726671 937640 1056976 1321220 1453342 1875280 2642440 2906684 3633355 5284880 5813368 7266710 11626736 14533420 29066840 58133680