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49774725 = 325271113217
BaseRepresentation
bin1011110111100…
…0000010000101
310110122211002100
42331320002011
5100220242400
64534502313
71143035550
oct275700205
9113584070
1049774725
1126107540
1214804999
13a409a00
146879697
154583100
hex2f78085

49774725 has 216 divisors, whose sum is σ = 127438272. Its totient is φ = 17971200.

The previous prime is 49774723. The next prime is 49774733. The reversal of 49774725 is 52747794.

It is not a de Polignac number, because 49774725 - 21 = 49774723 is a prime.

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

Its product of digits (493920) is a multiple of the sum of its prime divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49774723) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 2927917 + ... + 2927933.

It is an arithmetic number, because the mean of its divisors is an integer number (589992).

Almost surely, 249774725 is an apocalyptic number.

49774725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49774725 is an abundant number, since it is smaller than the sum of its proper divisors (77663547).

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

49774725 is a wasteful number, since it uses less digits than its factorization.

49774725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 56 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 49774725 is about 7055.1204808990. The cubic root of 49774725 is about 367.8490367128.

The spelling of 49774725 in words is "forty-nine million, seven hundred seventy-four thousand, seven hundred twenty-five".