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53873049 = 317957683
BaseRepresentation
bin1100110110000…
…0100110011001
310202101000221010
43031200212121
5102242414144
65202404133
71222625166
oct315404631
9122330833
1053873049
112845668a
1216060649
13b213259
14722506d
154ae25b9
hex3360999

53873049 has 4 divisors (see below), whose sum is σ = 71830736. Its totient is φ = 35915364.

The previous prime is 53873047. The next prime is 53873063. The reversal of 53873049 is 94037835.

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 not a de Polignac number, because 53873049 - 21 = 53873047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53872998 and 53873016.

It is not an unprimeable number, because it can be changed into a prime (53873047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978839 + ... + 8978844.

It is an arithmetic number, because the mean of its divisors is an integer number (17957684).

Almost surely, 253873049 is an apocalyptic number.

It is an amenable number.

53873049 is a deficient number, since it is larger than the sum of its proper divisors (17957687).

53873049 is a wasteful number, since it uses less digits than its factorization.

53873049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17957686.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 53873049 is about 7339.8262241009. The cubic root of 53873049 is about 377.6798821086.

The spelling of 53873049 in words is "fifty-three million, eight hundred seventy-three thousand, forty-nine".

Divisors: 1 3 17957683 53873049