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61027401 = 320342467
BaseRepresentation
bin1110100011001…
…1010001001001
311020211111212010
43220303101021
5111110334101
610020010133
71340503311
oct350632111
9136744763
1061027401
11314a2876
1218530949
13c8497b6
148168441
1555572d6
hex3a33449

61027401 has 4 divisors (see below), whose sum is σ = 81369872. Its totient is φ = 40684932.

The previous prime is 61027391. The next prime is 61027427. The reversal of 61027401 is 10472016.

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 not a de Polignac number, because 61027401 - 222 = 56833097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61027451) 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, 10171231 + ... + 10171236.

It is an arithmetic number, because the mean of its divisors is an integer number (20342468).

Almost surely, 261027401 is an apocalyptic number.

It is an amenable number.

61027401 is a deficient number, since it is larger than the sum of its proper divisors (20342471).

61027401 is a wasteful number, since it uses less digits than its factorization.

61027401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20342470.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 61027401 is about 7812.0036482326. The cubic root of 61027401 is about 393.7086515412.

Adding to 61027401 its reverse (10472016), we get a palindrome (71499417).

The spelling of 61027401 in words is "sixty-one million, twenty-seven thousand, four hundred one".

Divisors: 1 3 20342467 61027401