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427051943 = 1812359403
BaseRepresentation
bin11001011101000…
…100101110100111
31002202120111010122
4121131010232213
51333311130233
6110213112155
713403611253
oct3135045647
91082514118
10427051943
111aa07249a
12bb02865b
136a623776
1440a07263
1527758d98
hex19744ba7

427051943 has 4 divisors (see below), whose sum is σ = 429411528. Its totient is φ = 424692360.

The previous prime is 427051931. The next prime is 427051957. The reversal of 427051943 is 349150724.

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

It is a cyclic number.

It is not a de Polignac number, because 427051943 - 24 = 427051927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427051043) 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, 1179521 + ... + 1179882.

It is an arithmetic number, because the mean of its divisors is an integer number (107352882).

Almost surely, 2427051943 is an apocalyptic number.

427051943 is a deficient number, since it is larger than the sum of its proper divisors (2359585).

427051943 is a wasteful number, since it uses less digits than its factorization.

427051943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359584.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 427051943 is about 20665.2351305278. The cubic root of 427051943 is about 753.0553542525.

The spelling of 427051943 in words is "four hundred twenty-seven million, fifty-one thousand, nine hundred forty-three".

Divisors: 1 181 2359403 427051943