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61790338 = 2106928901
BaseRepresentation
bin1110101110110…
…1100010000010
311022021021102001
43223231202002
5111304242323
610044214214
71350131521
oct353554202
9138237361
1061790338
1131973aa5
121883a36a
13ca55b3c
1482c64b8
1556583ad
hex3aed882

61790338 has 8 divisors (see below), whose sum is σ = 92775420. Its totient is φ = 30865200.

The previous prime is 61790303. The next prime is 61790341. The reversal of 61790338 is 83309716.

61790338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53684929 + 8105409 = 7327^2 + 2847^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61790297 and 61790306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12313 + ... + 16588.

Almost surely, 261790338 is an apocalyptic number.

61790338 is a deficient number, since it is larger than the sum of its proper divisors (30985082).

61790338 is a wasteful number, since it uses less digits than its factorization.

61790338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29972.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 61790338 is about 7860.6830492013. The cubic root of 61790338 is about 395.3425176256.

It can be divided in two parts, 61790 and 338, that added together give a triangular number (62128 = T352).

The spelling of 61790338 in words is "sixty-one million, seven hundred ninety thousand, three hundred thirty-eight".

Divisors: 1 2 1069 2138 28901 57802 30895169 61790338