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49279560100 = 22527922812
BaseRepresentation
bin101101111001010010…
…100110100110100100
311201012101012000212121
4231321102212212210
51301411031410400
634345543555324
73363123230611
oct557122464644
9151171160777
1049279560100
1119999032981
12967375bb44
134854724c24
142556b95508
1514364d621a
hexb794a69a4

49279560100 has 81 divisors (see below), whose sum is σ = 108694215651. Its totient is φ = 19393046400.

The previous prime is 49279560061. The next prime is 49279560107. The reversal of 49279560100 is 106597294.

It is a happy number.

The square root of 49279560100 is 221990.

It is a perfect power (a square), and thus also a powerful number.

49279560100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70123876 + 49209436224 = 8374^2 + 221832^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49279560107) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 175371960 + ... + 175372240.

Almost surely, 249279560100 is an apocalyptic number.

49279560100 is the 221990-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49279560100

49279560100 is an abundant number, since it is smaller than the sum of its proper divisors (59414655551).

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

49279560100 is an equidigital number, since it uses as much as digits as its factorization.

49279560100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 49279560100 in words is "forty-nine billion, two hundred seventy-nine million, five hundred sixty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 281 316 395 562 790 1124 1405 1580 1975 2810 3950 5620 6241 7025 7900 12482 14050 22199 24964 28100 31205 44398 62410 78961 88796 110995 124820 156025 157922 221990 312050 315844 394805 443980 554975 624100 789610 1109950 1579220 1753721 1974025 2219900 3507442 3948050 6237919 7014884 7896100 8768605 12475838 17537210 24951676 31189595 35074420 43843025 62379190 87686050 124758380 155947975 175372100 311895950 492795601 623791900 985591202 1971182404 2463978005 4927956010 9855912020 12319890025 24639780050 49279560100