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49774950 = 23252532087
BaseRepresentation
bin1011110111100…
…0000101100110
310110122211101200
42331320011212
5100220244300
64534503330
71143036321
oct275700546
9113584350
1049774950
1126107725
1214804b46
13a409b44
1468797b8
154583200
hex2f78166

49774950 has 72 divisors (see below), whose sum is σ = 136317168. Its totient is φ = 13016640.

The previous prime is 49774939. The next prime is 49774981. The reversal of 49774950 is 5947794.

49774950 is a `hidden beast` number, since 497 + 74 + 95 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 49774896 and 49774905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22807 + ... + 24893.

It is an arithmetic number, because the mean of its divisors is an integer number (1893294).

Almost surely, 249774950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49774950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68158584).

49774950 is an abundant number, since it is smaller than the sum of its proper divisors (86542218).

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

49774950 is a wasteful number, since it uses less digits than its factorization.

49774950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 49774950 is about 7055.1364267461. The cubic root of 49774950 is about 367.8495909828.

The spelling of 49774950 in words is "forty-nine million, seven hundred seventy-four thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 53 75 90 106 150 159 225 265 318 450 477 530 795 954 1325 1590 2087 2385 2650 3975 4174 4770 6261 7950 10435 11925 12522 18783 20870 23850 31305 37566 52175 62610 93915 104350 110611 156525 187830 221222 313050 331833 469575 553055 663666 939150 995499 1106110 1659165 1990998 2765275 3318330 4977495 5530550 8295825 9954990 16591650 24887475 49774950