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427718814 = 23523136303
BaseRepresentation
bin11001011111100…
…111100010011110
31002210211100220120
4121133213202132
51333444000224
6110235255410
713412356425
oct3137474236
91083740816
10427718814
111aa488526
12bb2aa566
136a7c8173
1440b3c2bc
152783b779
hex197e789e

427718814 has 16 divisors (see below), whose sum is σ = 857079552. Its totient is φ = 142299288.

The previous prime is 427718813. The next prime is 427718849. The reversal of 427718814 is 418817724.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427718813) 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, 65014 + ... + 71289.

It is an arithmetic number, because the mean of its divisors is an integer number (53567472).

Almost surely, 2427718814 is an apocalyptic number.

427718814 is an abundant number, since it is smaller than the sum of its proper divisors (429360738).

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

427718814 is a wasteful number, since it uses less digits than its factorization.

427718814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136831.

The product of its digits is 100352, while the sum is 42.

The square root of 427718814 is about 20681.3639298766. The cubic root of 427718814 is about 753.4471329811.

The spelling of 427718814 in words is "four hundred twenty-seven million, seven hundred eighteen thousand, eight hundred fourteen".

Divisors: 1 2 3 6 523 1046 1569 3138 136303 272606 408909 817818 71286469 142572938 213859407 427718814