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61351053 = 320450351
BaseRepresentation
bin1110101000001…
…0010010001101
311021102221211020
43222002102031
5111201213203
610030544353
71343322021
oct352022215
9137387736
1061351053
11316a3a55
12186680b9
13c930bca
148210381
1555bd153
hex3a8248d

61351053 has 4 divisors (see below), whose sum is σ = 81801408. Its totient is φ = 40900700.

The previous prime is 61351049. The next prime is 61351093. The reversal of 61351053 is 35015316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61351053 - 22 = 61351049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61351013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10225173 + ... + 10225178.

It is an arithmetic number, because the mean of its divisors is an integer number (20450352).

Almost surely, 261351053 is an apocalyptic number.

It is an amenable number.

61351053 is a deficient number, since it is larger than the sum of its proper divisors (20450355).

61351053 is a wasteful number, since it uses less digits than its factorization.

61351053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450354.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 61351053 is about 7832.6912999301. The cubic root of 61351053 is about 394.4034213826.

Adding to 61351053 its reverse (35015316), we get a palindrome (96366369).

The spelling of 61351053 in words is "sixty-one million, three hundred fifty-one thousand, fifty-three".

Divisors: 1 3 20450351 61351053