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BaseRepresentation
bin11001011101101…
…110000100110110
31002202220002110012
4121131232010312
51333332040202
6110220500222
713405215104
oct3135560466
91082802405
10427221302
111aa178762
12bb0aa672
136a682891
1440a4cc74
152778e152
hex1976e136

427221302 has 4 divisors (see below), whose sum is σ = 640831956. Its totient is φ = 213610650.

The previous prime is 427221259. The next prime is 427221313. The reversal of 427221302 is 203122724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106805324 + ... + 106805327.

It is an arithmetic number, because the mean of its divisors is an integer number (160207989).

Almost surely, 2427221302 is an apocalyptic number.

427221302 is a deficient number, since it is larger than the sum of its proper divisors (213610654).

427221302 is a wasteful number, since it uses less digits than its factorization.

427221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213610653.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 427221302 is about 20669.3324033458. The cubic root of 427221302 is about 753.1548892530.

The spelling of 427221302 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, three hundred two".

Divisors: 1 2 213610651 427221302