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61476669 = 326830741
BaseRepresentation
bin1110101010000…
…0111100111101
311021200100010200
43222200330331
5111214223134
610033354113
71344354162
oct352407475
9137610120
1061476669
113177a371
1218708939
13c976137
148244069
1555e5499
hex3aa0f3d

61476669 has 6 divisors (see below), whose sum is σ = 88799646. Its totient is φ = 40984440.

The previous prime is 61476659. The next prime is 61476673. The reversal of 61476669 is 96667416.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 11985444 = 7035^2 + 3462^2 .

It is not a de Polignac number, because 61476669 - 212 = 61472573 is a prime.

It is a super-3 number, since 3×614766693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61476619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3415362 + ... + 3415379.

It is an arithmetic number, because the mean of its divisors is an integer number (14799941).

Almost surely, 261476669 is an apocalyptic number.

It is an amenable number.

61476669 is a deficient number, since it is larger than the sum of its proper divisors (27322977).

61476669 is a wasteful number, since it uses less digits than its factorization.

61476669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830747 (or 6830744 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 61476669 is about 7840.7058993435. The cubic root of 61476669 is about 394.6724176094.

The spelling of 61476669 in words is "sixty-one million, four hundred seventy-six thousand, six hundred sixty-nine".

Divisors: 1 3 9 6830741 20492223 61476669