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52145373 = 372483113
BaseRepresentation
bin1100011011101…
…0110011011101
310122010021000010
43012322303131
5101322122443
65101353433
71202141220
oct306726335
9118107003
1052145373
1127486655
1215568879
13aa59a67
146cd55b7
1548a0733
hex31bacdd

52145373 has 8 divisors (see below), whose sum is σ = 79459648. Its totient is φ = 29797344.

The previous prime is 52145339. The next prime is 52145389. The reversal of 52145373 is 37354125.

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

It is not a de Polignac number, because 52145373 - 220 = 51096797 is a prime.

It is a super-3 number, since 3×521453733 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52145373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145323) 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, 1241536 + ... + 1241577.

It is an arithmetic number, because the mean of its divisors is an integer number (9932456).

Almost surely, 252145373 is an apocalyptic number.

It is an amenable number.

52145373 is a deficient number, since it is larger than the sum of its proper divisors (27314275).

52145373 is a wasteful number, since it uses less digits than its factorization.

52145373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483123.

The product of its digits is 12600, while the sum is 30.

The square root of 52145373 is about 7221.1753198493. The cubic root of 52145373 is about 373.5986166338.

Adding to 52145373 its reverse (37354125), we get a palindrome (89499498).

The spelling of 52145373 in words is "fifty-two million, one hundred forty-five thousand, three hundred seventy-three".

Divisors: 1 3 7 21 2483113 7449339 17381791 52145373