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61084774 = 2172105683
BaseRepresentation
bin1110100100000…
…1010001100110
311020221102120001
43221001101212
5111114203044
610021131514
71341132502
oct351012146
9136842501
1061084774
1131531993
1218559b9a
13c86994a
148181302
1555692d4
hex3a41466

61084774 has 12 divisors (see below), whose sum is σ = 97334964. Its totient is φ = 28745504.

The previous prime is 61084769. The next prime is 61084783. The reversal of 61084774 is 47748016.

It is a super-2 number, since 2×610847742 = 7462699229262152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52264 + ... + 53419.

It is an arithmetic number, because the mean of its divisors is an integer number (8111247).

Almost surely, 261084774 is an apocalyptic number.

61084774 is a deficient number, since it is larger than the sum of its proper divisors (36250190).

61084774 is a wasteful number, since it uses less digits than its factorization.

61084774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105719 (or 105702 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 61084774 is about 7815.6748908843. The cubic root of 61084774 is about 393.8319905181.

The spelling of 61084774 in words is "sixty-one million, eighty-four thousand, seven hundred seventy-four".

Divisors: 1 2 17 34 289 578 105683 211366 1796611 3593222 30542387 61084774