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53913829 = 360714947
BaseRepresentation
bin1100110110101…
…0100011100101
310202110002212111
43031222203211
5102300220304
65203321021
71223155114
oct315524345
9122402774
1053913829
1128484292
1216080171
13b228998
147235c7b
154aee704
hex336a8e5

53913829 has 4 divisors (see below), whose sum is σ = 53932384. Its totient is φ = 53895276.

The previous prime is 53913803. The next prime is 53913857. The reversal of 53913829 is 92831935.

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 a de Polignac number, because none of the positive numbers 2k-53913829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53913791 and 53913800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53913029) 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, 3867 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (13483096).

Almost surely, 253913829 is an apocalyptic number.

It is an amenable number.

53913829 is a deficient number, since it is larger than the sum of its proper divisors (18555).

53913829 is a wasteful number, since it uses less digits than its factorization.

53913829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18554.

The product of its digits is 58320, while the sum is 40.

The square root of 53913829 is about 7342.6036935136. The cubic root of 53913829 is about 377.7751548613.

The spelling of 53913829 in words is "fifty-three million, nine hundred thirteen thousand, eight hundred twenty-nine".

Divisors: 1 3607 14947 53913829