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61145614 = 265346819
BaseRepresentation
bin1110100101000…
…0001000001110
311021001112000101
43221100020032
5111123124424
610022321314
71341505045
oct351201016
9137045011
1061145614
1131573672
121858923a
13c88b54a
14819955c
15557c344
hex3a5020e

61145614 has 8 divisors (see below), whose sum is σ = 91860840. Its totient is φ = 30525336.

The previous prime is 61145611. The next prime is 61145677. The reversal of 61145614 is 41654116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×611456142 = 7477572222873992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145611) 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, 22104 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (11482605).

Almost surely, 261145614 is an apocalyptic number.

61145614 is a deficient number, since it is larger than the sum of its proper divisors (30715226).

61145614 is a wasteful number, since it uses less digits than its factorization.

61145614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47474.

The product of its digits is 2880, while the sum is 28.

The square root of 61145614 is about 7819.5661004943. The cubic root of 61145614 is about 393.9626984192.

It can be divided in two parts, 611 and 45614, that added together give a square (46225 = 2152).

The spelling of 61145614 in words is "sixty-one million, one hundred forty-five thousand, six hundred fourteen".

Divisors: 1 2 653 1306 46819 93638 30572807 61145614