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61653041 = 232680567
BaseRepresentation
bin1110101100110…
…0000000110001
311022000022001222
43223030000301
5111240344131
610041234425
71346020322
oct353140061
9138008058
1061653041
113188a92a
1218792a15
13ca084b8
14828c449
15562c87b
hex3acc031

61653041 has 4 divisors (see below), whose sum is σ = 64333632. Its totient is φ = 58972452.

The previous prime is 61653029. The next prime is 61653061. The reversal of 61653041 is 14035616.

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 61653041 - 26 = 61652977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61653041.

It is not an unprimeable number, because it can be changed into a prime (61653061) 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, 1340261 + ... + 1340306.

It is an arithmetic number, because the mean of its divisors is an integer number (16083408).

Almost surely, 261653041 is an apocalyptic number.

It is an amenable number.

61653041 is a deficient number, since it is larger than the sum of its proper divisors (2680591).

61653041 is a wasteful number, since it uses less digits than its factorization.

61653041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680590.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61653041 is about 7851.9450456559. The cubic root of 61653041 is about 395.0494858687.

Adding to 61653041 its reverse (14035616), we get a palindrome (75688657).

The spelling of 61653041 in words is "sixty-one million, six hundred fifty-three thousand, forty-one".

Divisors: 1 23 2680567 61653041