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52153742 = 2231133777
BaseRepresentation
bin1100011011110…
…0110110001110
310122010200111002
43012330312032
5101322404432
65101500302
71202204504
oct306746616
9118120432
1052153742
1127491973
1215571692
13aa60804
146cd8674
1548a2e62
hex31bcd8e

52153742 has 8 divisors (see below), whose sum is σ = 81632016. Its totient is φ = 24943072.

The previous prime is 52153729. The next prime is 52153747. The reversal of 52153742 is 24735125.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52153747) 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, 566843 + ... + 566934.

It is an arithmetic number, because the mean of its divisors is an integer number (10204002).

Almost surely, 252153742 is an apocalyptic number.

52153742 is a deficient number, since it is larger than the sum of its proper divisors (29478274).

52153742 is a wasteful number, since it uses less digits than its factorization.

52153742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133802.

The product of its digits is 8400, while the sum is 29.

The square root of 52153742 is about 7221.7547729067. The cubic root of 52153742 is about 373.6186022969.

Adding to 52153742 its reverse (24735125), we get a palindrome (76888867).

The spelling of 52153742 in words is "fifty-two million, one hundred fifty-three thousand, seven hundred forty-two".

Divisors: 1 2 23 46 1133777 2267554 26076871 52153742