Search a number
-
+
62650421 = 142344027
BaseRepresentation
bin1110111011111…
…1100000110101
311100212222012222
43232333200311
5112014303141
610114452125
71360343201
oct356774065
9140788188
1062650421
1132401209
1218b94045
13cc97472
14846bb01
15577814b
hex3bbf835

62650421 has 4 divisors (see below), whose sum is σ = 62695872. Its totient is φ = 62604972.

The previous prime is 62650409. The next prime is 62650447. The reversal of 62650421 is 12405626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-62650421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62650921) 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, 20591 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (15673968).

Almost surely, 262650421 is an apocalyptic number.

It is an amenable number.

62650421 is a deficient number, since it is larger than the sum of its proper divisors (45451).

62650421 is a wasteful number, since it uses less digits than its factorization.

62650421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45450.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 62650421 is about 7915.2018925609. The cubic root of 62650421 is about 397.1683791927.

The spelling of 62650421 in words is "sixty-two million, six hundred fifty thousand, four hundred twenty-one".

Divisors: 1 1423 44027 62650421