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427545674 = 21297164821
BaseRepresentation
bin11001011110111…
…101010001001010
31002210111120101222
4121132331101022
51333422430144
6110231442042
713411035563
oct3136752112
91083446358
10427545674
111aa37a436
12bb226322
136a76740a
1440ad516a
15278052ee
hex197bd44a

427545674 has 8 divisors (see below), whose sum is σ = 641816868. Its totient is φ = 213606720.

The previous prime is 427545673. The next prime is 427545719. The reversal of 427545674 is 476545724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 410265025 + 17280649 = 20255^2 + 4157^2 .

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

It is a super-2 number, since 2×4275456742 = 365590606712228552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427545673) 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, 79817 + ... + 85004.

Almost surely, 2427545674 is an apocalyptic number.

427545674 is a deficient number, since it is larger than the sum of its proper divisors (214271194).

427545674 is a wasteful number, since it uses less digits than its factorization.

427545674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166120.

The product of its digits is 940800, while the sum is 44.

The square root of 427545674 is about 20677.1776120437. The cubic root of 427545674 is about 753.3454544651.

Subtracting 427545674 from its reverse (476545724), we obtain a triangular number (49000050 = T9899).

The spelling of 427545674 in words is "four hundred twenty-seven million, five hundred forty-five thousand, six hundred seventy-four".

Divisors: 1 2 1297 2594 164821 329642 213772837 427545674