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53149117 = 761124471
BaseRepresentation
bin1100101010111…
…1110110111101
310201000020212211
43022233312331
5102101232432
65135100421
71213521460
oct312576675
9121006784
1053149117
112800179a
1215971711
13b01b8a8
1470b72d7
1549ecd47
hex32afdbd

53149117 has 8 divisors (see below), whose sum is σ = 61738112. Its totient is φ = 44809200.

The previous prime is 53149111. The next prime is 53149121. The reversal of 53149117 is 71194135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53149117 is a prime.

It is a super-3 number, since 3×531491173 (a number of 24 digits) contains 333 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 (53149111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61809 + ... + 62662.

It is an arithmetic number, because the mean of its divisors is an integer number (7717264).

Almost surely, 253149117 is an apocalyptic number.

It is an amenable number.

53149117 is a deficient number, since it is larger than the sum of its proper divisors (8588995).

53149117 is a wasteful number, since it uses less digits than its factorization.

53149117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124539.

The product of its digits is 3780, while the sum is 31.

The square root of 53149117 is about 7290.3440933882. The cubic root of 53149117 is about 375.9805260964.

The spelling of 53149117 in words is "fifty-three million, one hundred forty-nine thousand, one hundred seventeen".

Divisors: 1 7 61 427 124471 871297 7592731 53149117