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53743949 = 721113637
BaseRepresentation
bin1100110100000…
…1000101001101
310202010110211122
43031001011031
5102224301244
65155530325
71221546620
oct315010515
9122113748
1053743949
1128378696
1215bb99a5
13b19956c
1471cddb7
154ab91ee
hex334114d

53743949 has 8 divisors (see below), whose sum is σ = 61467648. Its totient is φ = 46031760.

The previous prime is 53743901. The next prime is 53743967. The reversal of 53743949 is 94934735.

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

It is a cyclic number.

It is not a de Polignac number, because 53743949 - 28 = 53743693 is a prime.

It is a super-2 number, since 2×537439492 = 5776824108229202, 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 (53743979) 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 7 ways as a sum of consecutive naturals, for example, 12959 + ... + 16595.

It is an arithmetic number, because the mean of its divisors is an integer number (7683456).

Almost surely, 253743949 is an apocalyptic number.

It is an amenable number.

53743949 is a deficient number, since it is larger than the sum of its proper divisors (7723699).

53743949 is a wasteful number, since it uses less digits than its factorization.

53743949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755.

The product of its digits is 408240, while the sum is 44.

The square root of 53743949 is about 7331.0264629177. The cubic root of 53743949 is about 377.3779533244.

The spelling of 53743949 in words is "fifty-three million, seven hundred forty-three thousand, nine hundred forty-nine".

Divisors: 1 7 2111 3637 14777 25459 7677707 53743949