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158428104 = 23331732917
BaseRepresentation
bin10010111000101…
…10101111001000
3102001002222111120
421130112233020
5311024144404
623415355240
73632421342
oct1134265710
9361088446
10158428104
118147941a
1245082b20
1326a90153
1417080292
15dd969d9
hex9716bc8

158428104 has 64 divisors (see below), whose sum is σ = 414589440. Its totient is φ = 50388480.

The previous prime is 158428097. The next prime is 158428139. The reversal of 158428104 is 401824851.

158428104 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52854 + ... + 55770.

It is an arithmetic number, because the mean of its divisors is an integer number (6477960).

Almost surely, 2158428104 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 158428104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207294720).

158428104 is an abundant number, since it is smaller than the sum of its proper divisors (256161336).

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

158428104 is a wasteful number, since it uses less digits than its factorization.

158428104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 158428104 is about 12586.8226332145. The cubic root of 158428104 is about 541.0998434243.

The spelling of 158428104 in words is "one hundred fifty-eight million, four hundred twenty-eight thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 31 62 73 93 124 146 186 219 248 292 372 438 584 744 876 1752 2263 2917 4526 5834 6789 8751 9052 11668 13578 17502 18104 23336 27156 35004 54312 70008 90427 180854 212941 271281 361708 425882 542562 638823 723416 851764 1085124 1277646 1703528 2170248 2555292 5110584 6601171 13202342 19803513 26404684 39607026 52809368 79214052 158428104