Search a number
-
+
49412521 = 197136629
BaseRepresentation
bin1011110001111…
…1100110101001
310102222102020101
42330133212221
5100122200041
64523025401
71136666554
oct274374651
9112872211
1049412521
112598a3a4
121466b261
13a310ba2
1467c369b
154510b31
hex2f1f9a9

49412521 has 8 divisors (see below), whose sum is σ = 52747200. Its totient is φ = 46151280.

The previous prime is 49412509. The next prime is 49412537. The reversal of 49412521 is 12521494.

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

It is a cyclic number.

It is not a de Polignac number, because 49412521 - 27 = 49412393 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49412521.

It is not an unprimeable number, because it can be changed into a prime (49412551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16966 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (6593400).

Almost surely, 249412521 is an apocalyptic number.

It is an amenable number.

49412521 is a deficient number, since it is larger than the sum of its proper divisors (3334679).

49412521 is a wasteful number, since it uses less digits than its factorization.

49412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36719.

The product of its digits is 2880, while the sum is 28.

The square root of 49412521 is about 7029.4040287922. The cubic root of 49412521 is about 366.9546009222.

The spelling of 49412521 in words is "forty-nine million, four hundred twelve thousand, five hundred twenty-one".

Divisors: 1 19 71 1349 36629 695951 2600659 49412521