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53924869 = 192838151
BaseRepresentation
bin1100110110110…
…1010000000101
310202110200000101
43031231100011
5102301043434
65203444101
71223232235
oct315552005
9122420011
1053924869
1128491609
1216086631
13b230a0b
147239cc5
154b02b14
hex336d405

53924869 has 4 divisors (see below), whose sum is σ = 56763040. Its totient is φ = 51086700.

The previous prime is 53924863. The next prime is 53924917. The reversal of 53924869 is 96842935.

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 53924869 - 25 = 53924837 is a prime.

It is a super-2 number, since 2×539248692 = 5815782993334322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53924863) 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, 1419057 + ... + 1419094.

It is an arithmetic number, because the mean of its divisors is an integer number (14190760).

Almost surely, 253924869 is an apocalyptic number.

It is an amenable number.

53924869 is a deficient number, since it is larger than the sum of its proper divisors (2838171).

53924869 is a wasteful number, since it uses less digits than its factorization.

53924869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838170.

The product of its digits is 466560, while the sum is 46.

The square root of 53924869 is about 7343.3554319534. The cubic root of 53924869 is about 377.8009389266.

The spelling of 53924869 in words is "fifty-three million, nine hundred twenty-four thousand, eight hundred sixty-nine".

Divisors: 1 19 2838151 53924869