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61027545 = 354068503
BaseRepresentation
bin1110100011001…
…1010011011001
311020211112001110
43220303103121
5111110340140
610020010533
71340503605
oct350632331
9136745043
1061027545
11314a2997
1218530a49
13c849897
148168505
155557380
hex3a334d9

61027545 has 8 divisors (see below), whose sum is σ = 97644096. Its totient is φ = 32548016.

The previous prime is 61027543. The next prime is 61027583. The reversal of 61027545 is 54572016.

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 61027545 - 21 = 61027543 is a prime.

It is a super-2 number, since 2×610275452 = 7448722497454050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61027543) 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, 2034237 + ... + 2034266.

It is an arithmetic number, because the mean of its divisors is an integer number (12205512).

Almost surely, 261027545 is an apocalyptic number.

It is an amenable number.

61027545 is a deficient number, since it is larger than the sum of its proper divisors (36616551).

61027545 is a wasteful number, since it uses less digits than its factorization.

61027545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068511.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 61027545 is about 7812.0128648128. The cubic root of 61027545 is about 393.7089612053.

The spelling of 61027545 in words is "sixty-one million, twenty-seven thousand, five hundred forty-five".

Divisors: 1 3 5 15 4068503 12205509 20342515 61027545