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20068462 = 210034231
BaseRepresentation
bin100110010001…
…1100001101110
31101202120202101
41030203201232
520114142322
61554045314
7332402431
oct114434156
941676671
1020068462
1110367807
12687983a
13420863b
142945818
151b66327
hex132386e

20068462 has 4 divisors (see below), whose sum is σ = 30102696. Its totient is φ = 10034230.

The previous prime is 20068457. The next prime is 20068463. The reversal of 20068462 is 26486002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26486002 = 213243001.

It is a self number, because there is not a number n which added to its sum of digits gives 20068462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20068463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017114 + ... + 5017117.

It is an arithmetic number, because the mean of its divisors is an integer number (7525674).

Almost surely, 220068462 is an apocalyptic number.

20068462 is a deficient number, since it is larger than the sum of its proper divisors (10034234).

20068462 is a wasteful number, since it uses less digits than its factorization.

20068462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034233.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20068462 is about 4479.7837001355. The cubic root of 20068462 is about 271.7511330226.

The spelling of 20068462 in words is "twenty million, sixty-eight thousand, four hundred sixty-two".

Divisors: 1 2 10034231 20068462