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52403073 = 347419887
BaseRepresentation
bin1100011111100…
…1101110000001
310122121100111120
43013321232001
5101403344243
65111102453
71204263432
oct307715601
9118540446
1052403073
1127642228
1215671a29
13ab1a148
146d61489
154901c83
hex31f9b81

52403073 has 16 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 34072016.

The previous prime is 52403059. The next prime is 52403107. The reversal of 52403073 is 37030425.

It is a cyclic number.

It is not a de Polignac number, because 52403073 - 26 = 52403009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52403003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58636 + ... + 59522.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 252403073 is an apocalyptic number.

It is an amenable number.

52403073 is a deficient number, since it is larger than the sum of its proper divisors (19205247).

52403073 is a wasteful number, since it uses less digits than its factorization.

52403073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 52403073 is about 7238.9966846242. The cubic root of 52403073 is about 374.2130412332.

Adding to 52403073 its reverse (37030425), we get a palindrome (89433498).

The spelling of 52403073 in words is "fifty-two million, four hundred three thousand, seventy-three".

Divisors: 1 3 47 141 419 887 1257 2661 19693 41689 59079 125067 371653 1114959 17467691 52403073