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61974241 = 78853463
BaseRepresentation
bin1110110001101…
…0011011100001
311022121121200021
43230122123201
5111331133431
610052153441
71351525630
oct354323341
9138547607
1061974241
1131a8a18a
1218908881
13cabb764
148333517
155692b11
hex3b1a6e1

61974241 has 4 divisors (see below), whose sum is σ = 70827712. Its totient is φ = 53120772.

The previous prime is 61974233. The next prime is 61974277. The reversal of 61974241 is 14247916.

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 not a de Polignac number, because 61974241 - 23 = 61974233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61974197 and 61974206.

It is not an unprimeable number, because it can be changed into a prime (61974221) 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, 4426725 + ... + 4426738.

It is an arithmetic number, because the mean of its divisors is an integer number (17706928).

Almost surely, 261974241 is an apocalyptic number.

It is an amenable number.

61974241 is a deficient number, since it is larger than the sum of its proper divisors (8853471).

61974241 is an equidigital number, since it uses as much as digits as its factorization.

61974241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853470.

The product of its digits is 12096, while the sum is 34.

The square root of 61974241 is about 7872.3720059459. The cubic root of 61974241 is about 395.7343408323.

The spelling of 61974241 in words is "sixty-one million, nine hundred seventy-four thousand, two hundred forty-one".

Divisors: 1 7 8853463 61974241