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42892641 = 3211433259
BaseRepresentation
bin1010001110011…
…1110101100001
32222201011122100
42203213311201
541440031031
64131201013
71030403301
oct243476541
988634570
1042892641
1122236970
1212446169
138b6a37c
1459a7601
153b73de6
hex28e7d61

42892641 has 12 divisors (see below), whose sum is σ = 67588560. Its totient is φ = 25995480.

The previous prime is 42892639. The next prime is 42892643. The reversal of 42892641 is 14629824.

42892641 is a `hidden beast` number, since 4 + 2 + 8 + 9 + 2 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (42892639) and next prime (42892643).

It is not a de Polignac number, because 42892641 - 21 = 42892639 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42892596 and 42892605.

It is not an unprimeable number, because it can be changed into a prime (42892643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216531 + ... + 216728.

It is an arithmetic number, because the mean of its divisors is an integer number (5632380).

Almost surely, 242892641 is an apocalyptic number.

It is an amenable number.

42892641 is a deficient number, since it is larger than the sum of its proper divisors (24695919).

42892641 is a wasteful number, since it uses less digits than its factorization.

42892641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433276 (or 433273 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 42892641 is about 6549.2473613386. The cubic root of 42892641 is about 350.0479961390.

The spelling of 42892641 in words is "forty-two million, eight hundred ninety-two thousand, six hundred forty-one".

Divisors: 1 3 9 11 33 99 433259 1299777 3899331 4765849 14297547 42892641