Search a number
-
+
61025623 = 98362081
BaseRepresentation
bin1110100011001…
…0110101010111
311020211102102021
43220302311113
5111110304443
610015554011
71340465161
oct350626527
9136742367
1061025623
11314a14aa
121852b907
13c848a49
148167931
1555569ed
hex3a32d57

61025623 has 4 divisors (see below), whose sum is σ = 61088688. Its totient is φ = 60962560.

The previous prime is 61025611. The next prime is 61025633. The reversal of 61025623 is 32652016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61025623 - 217 = 60894551 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 (61025633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30058 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (15272172).

Almost surely, 261025623 is an apocalyptic number.

61025623 is a deficient number, since it is larger than the sum of its proper divisors (63065).

61025623 is an equidigital number, since it uses as much as digits as its factorization.

61025623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63064.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61025623 is about 7811.8898481737. The cubic root of 61025623 is about 393.7048280085.

Adding to 61025623 its reverse (32652016), we get a palindrome (93677639).

The spelling of 61025623 in words is "sixty-one million, twenty-five thousand, six hundred twenty-three".

Divisors: 1 983 62081 61025623