Search a number
-
+
49445450 = 252988909
BaseRepresentation
bin1011110010011…
…1101001001010
310110001002101222
42330213221022
5100124223300
64523442042
71140164555
oct274475112
9113032358
1049445450
1125a0210a
1214686322
13a322b82
1467d169c
15451a785
hex2f27a4a

49445450 has 12 divisors (see below), whose sum is σ = 91968630. Its totient is φ = 19778160.

The previous prime is 49445443. The next prime is 49445453. The reversal of 49445450 is 5454494.

It can be written as a sum of positive squares in 3 ways, for example, as 21132409 + 28313041 = 4597^2 + 5321^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49445450.

It is not an unprimeable number, because it can be changed into a prime (49445453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494405 + ... + 494504.

Almost surely, 249445450 is an apocalyptic number.

49445450 is a deficient number, since it is larger than the sum of its proper divisors (42523180).

49445450 is a wasteful number, since it uses less digits than its factorization.

49445450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988921 (or 988916 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 49445450 is about 7031.7458714035. The cubic root of 49445450 is about 367.0360968982.

The spelling of 49445450 in words is "forty-nine million, four hundred forty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 988909 1977818 4944545 9889090 24722725 49445450