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49825220 = 22519267103
BaseRepresentation
bin1011111000010…
…0010111000100
310110202101100112
42332010113010
5100223401340
64535532152
71143336014
oct276042704
9113671315
1049825220
1126141475
121482a058
13a4269a3
14688dc44
154593065
hex2f845c4

49825220 has 72 divisors (see below), whose sum is σ = 113166144. Its totient is φ = 18418752.

The previous prime is 49825213. The next prime is 49825229. The reversal of 49825220 is 2252894.

It is not an unprimeable number, because it can be changed into a prime (49825229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483689 + ... + 483791.

It is an arithmetic number, because the mean of its divisors is an integer number (1571752).

Almost surely, 249825220 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 49825220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56583072).

49825220 is an abundant number, since it is smaller than the sum of its proper divisors (63340924).

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

49825220 is a wasteful number, since it uses less digits than its factorization.

49825220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 49825220 is about 7058.6981802596. The cubic root of 49825220 is about 367.9733853625.

The spelling of 49825220 in words is "forty-nine million, eight hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 67 76 95 103 134 190 206 268 335 361 380 412 515 670 722 1030 1273 1340 1444 1805 1957 2060 2546 3610 3914 5092 6365 6901 7220 7828 9785 12730 13802 19570 24187 25460 27604 34505 37183 39140 48374 69010 74366 96748 120935 131119 138020 148732 185915 241870 262238 371830 483740 524476 655595 743660 1311190 2491261 2622380 4982522 9965044 12456305 24912610 49825220