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66350413 = 1914932339
BaseRepresentation
bin1111110100011…
…0110101001101
311121211221122201
43331012311031
5113441203123
610330041501
71433653303
oct375066515
9147757581
1066350413
11344a9058
121a279291
13109915cc
148b52273
155c595ad
hex3f46d4d

66350413 has 8 divisors (see below), whose sum is σ = 69919200. Its totient is φ = 62789328.

The previous prime is 66350411. The next prime is 66350477. The reversal of 66350413 is 31405366.

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

It is a cyclic number.

It is not a de Polignac number, because 66350413 - 21 = 66350411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66350411) 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, 27198 + ... + 29536.

It is an arithmetic number, because the mean of its divisors is an integer number (8739900).

Almost surely, 266350413 is an apocalyptic number.

It is an amenable number.

66350413 is a deficient number, since it is larger than the sum of its proper divisors (3568787).

66350413 is a wasteful number, since it uses less digits than its factorization.

66350413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 66350413 is about 8145.5762840943. The cubic root of 66350413 is about 404.8379435972.

Adding to 66350413 its reverse (31405366), we get a palindrome (97755779).

It can be divided in two parts, 663 and 50413, that added together give a square (51076 = 2262).

The spelling of 66350413 in words is "sixty-six million, three hundred fifty thousand, four hundred thirteen".

Divisors: 1 19 1493 2339 28367 44441 3492127 66350413