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53346213 = 3213145247
BaseRepresentation
bin1100101101111…
…1111110100101
310201101021020200
43023133332211
5102124034323
65143221113
71215302214
oct313377645
9121337220
1053346213
1128126888
1215a47799
13b08a50b
14712907b
154a3b443
hex32dffa5

53346213 has 12 divisors (see below), whose sum is σ = 77645568. Its totient is φ = 35291880.

The previous prime is 53346211. The next prime is 53346253. The reversal of 53346213 is 31264335.

It is a happy number.

53346213 is a `hidden beast` number, since 5 + 3 + 34 + 621 + 3 = 666.

It is not a de Polignac number, because 53346213 - 21 = 53346211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53346211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21445 + ... + 23802.

It is an arithmetic number, because the mean of its divisors is an integer number (6470464).

Almost surely, 253346213 is an apocalyptic number.

It is an amenable number.

53346213 is a deficient number, since it is larger than the sum of its proper divisors (24299355).

53346213 is a wasteful number, since it uses less digits than its factorization.

53346213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45384 (or 45381 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 53346213 is about 7303.8491906665. The cubic root of 53346213 is about 376.4447096895. Note that the first 3 decimals are identical.

The spelling of 53346213 in words is "fifty-three million, three hundred forty-six thousand, two hundred thirteen".

Divisors: 1 3 9 131 393 1179 45247 135741 407223 5927357 17782071 53346213