Search a number
-
+
49265890 = 254926589
BaseRepresentation
bin1011101111101…
…1110011100010
310102200222002121
42323323303202
5100103002030
64515534454
71135516222
oct273736342
9112628077
1049265890
112589a213
12145ba42a
13a28c21b
146786082
1544d247a
hex2efbce2

49265890 has 8 divisors (see below), whose sum is σ = 88678620. Its totient is φ = 19706352.

The previous prime is 49265873. The next prime is 49265891. The reversal of 49265890 is 9856294.

It can be written as a sum of positive squares in 2 ways, for example, as 43943641 + 5322249 = 6629^2 + 2307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49265891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463285 + ... + 2463304.

Almost surely, 249265890 is an apocalyptic number.

49265890 is a deficient number, since it is larger than the sum of its proper divisors (39412730).

49265890 is a wasteful number, since it uses less digits than its factorization.

49265890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926596.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 49265890 is about 7018.9664481318. The cubic root of 49265890 is about 366.5912636500.

It can be divided in two parts, 4926 and 5890, that added together give a square (10816 = 1042).

The spelling of 49265890 in words is "forty-nine million, two hundred sixty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 4926589 9853178 24632945 49265890