Search a number
-
+
427813842 = 231937310061
BaseRepresentation
bin11001011111111…
…110101111010010
31002211000012021010
4121133332233102
51334010020332
6110241311350
713413233451
oct3137765722
91084005233
10427813842
111aa542965
12bb335556
136a82c4b1
1440b64b98
15278599cc
hex197febd2

427813842 has 32 divisors (see below), whose sum is σ = 903165120. Its totient is φ = 134723520.

The previous prime is 427813831. The next prime is 427813843. The reversal of 427813842 is 248318724.

It is a self number, because there is not a number n which added to its sum of digits gives 427813842.

It is not an unprimeable number, because it can be changed into a prime (427813843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37492 + ... + 47552.

It is an arithmetic number, because the mean of its divisors is an integer number (28223910).

Almost surely, 2427813842 is an apocalyptic number.

427813842 is an abundant number, since it is smaller than the sum of its proper divisors (475351278).

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

427813842 is a wasteful number, since it uses less digits than its factorization.

427813842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458.

The product of its digits is 86016, while the sum is 39.

The square root of 427813842 is about 20683.6612329636. The cubic root of 427813842 is about 753.5029276372.

The spelling of 427813842 in words is "four hundred twenty-seven million, eight hundred thirteen thousand, eight hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 373 746 1119 2238 7087 10061 14174 20122 21261 30183 42522 60366 191159 382318 573477 1146954 3752753 7505506 11258259 22516518 71302307 142604614 213906921 427813842