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61962493 = 122950417
BaseRepresentation
bin1110110001011…
…1100011111101
311022121000120011
43230113203331
5111330244433
610052023221
71351446445
oct354274375
9138530504
1061962493
1131a8137a
1218901b11
13cab62c8
14832d125
15568e3cd
hex3b178fd

61962493 has 4 divisors (see below), whose sum is σ = 62014140. Its totient is φ = 61910848.

The previous prime is 61962491. The next prime is 61962503. The reversal of 61962493 is 39426916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45657049 + 16305444 = 6757^2 + 4038^2 .

It is a cyclic number.

It is not a de Polignac number, because 61962493 - 21 = 61962491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61962491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23980 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (15503535).

Almost surely, 261962493 is an apocalyptic number.

It is an amenable number.

61962493 is a deficient number, since it is larger than the sum of its proper divisors (51647).

61962493 is a wasteful number, since it uses less digits than its factorization.

61962493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51646.

The product of its digits is 69984, while the sum is 40.

The square root of 61962493 is about 7871.6258168183. The cubic root of 61962493 is about 395.7093337716.

The spelling of 61962493 in words is "sixty-one million, nine hundred sixty-two thousand, four hundred ninety-three".

Divisors: 1 1229 50417 61962493