Search a number
-
+
61422505 = 5103119267
BaseRepresentation
bin1110101001001…
…1101110101001
311021120120211121
43222103232221
5111211010010
610032255241
71344040234
oct352235651
9137516747
1061422505
1131742701
12186a1521
13c9575a1
14822c41b
1555d43da
hex3a93ba9

61422505 has 8 divisors (see below), whose sum is σ = 74423232. Its totient is φ = 48660528.

The previous prime is 61422499. The next prime is 61422509. The reversal of 61422505 is 50522416.

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 61422505 - 29 = 61421993 is a prime.

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 61422505.

It is not an unprimeable number, because it can be changed into a prime (61422509) 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, 59119 + ... + 60148.

It is an arithmetic number, because the mean of its divisors is an integer number (9302904).

Almost surely, 261422505 is an apocalyptic number.

It is an amenable number.

61422505 is a deficient number, since it is larger than the sum of its proper divisors (13000727).

61422505 is a wasteful number, since it uses less digits than its factorization.

61422505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119375.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 61422505 is about 7837.2511124756. The cubic root of 61422505 is about 394.5564748823.

The spelling of 61422505 in words is "sixty-one million, four hundred twenty-two thousand, five hundred five".

Divisors: 1 5 103 515 119267 596335 12284501 61422505