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53354973 = 372834373
BaseRepresentation
bin1100101110001…
…0000111011101
310201101201021010
43023202013131
5102124324343
65143325433
71215336600
oct313420735
9121351233
1053354973
1128132421
1215a50879
13b0914b9
14712c337
154a3dd33
hex32e21dd

53354973 has 24 divisors (see below), whose sum is σ = 83770848. Its totient is φ = 30114336.

The previous prime is 53354971. The next prime is 53354989. The reversal of 53354973 is 37945335.

It is not a de Polignac number, because 53354973 - 21 = 53354971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53354971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10015 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (3490452).

Almost surely, 253354973 is an apocalyptic number.

It is an amenable number.

53354973 is a deficient number, since it is larger than the sum of its proper divisors (30415875).

53354973 is a wasteful number, since it uses less digits than its factorization.

53354973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4466 counting only the distinct ones).

The product of its digits is 170100, while the sum is 39.

The square root of 53354973 is about 7304.4488498449. The cubic root of 53354973 is about 376.4653139336.

The spelling of 53354973 in words is "fifty-three million, three hundred fifty-four thousand, nine hundred seventy-three".

Divisors: 1 3 7 21 49 83 147 249 581 1743 4067 4373 12201 13119 30611 91833 214277 362959 642831 1088877 2540713 7622139 17784991 53354973