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63214638 = 2310535773
BaseRepresentation
bin1111000100100…
…1010000101110
311101221122011220
43301021100232
5112140332023
610134524210
71365213144
oct361112056
9141848156
1063214638
1132757103
1219206666
1310134216
148577594
15583a3e3
hex3c4942e

63214638 has 8 divisors (see below), whose sum is σ = 126429288. Its totient is φ = 21071544.

The previous prime is 63214633. The next prime is 63214639. The reversal of 63214638 is 83641236.

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

63214638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63214599 and 63214608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63214633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267881 + ... + 5267892.

It is an arithmetic number, because the mean of its divisors is an integer number (15803661).

Almost surely, 263214638 is an apocalyptic number.

63214638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63214638 is a wasteful number, since it uses less digits than its factorization.

63214638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535778.

The product of its digits is 20736, while the sum is 33.

The square root of 63214638 is about 7950.7633595775. The cubic root of 63214638 is about 398.3570905263.

The spelling of 63214638 in words is "sixty-three million, two hundred fourteen thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 10535773 21071546 31607319 63214638