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1042641 = 32115849
BaseRepresentation
bin11111110100011010001
31221222020100
43332203101
5231331031
634203013
711601525
oct3764321
91858210
101042641
11652396
12423469
132a6762
141d1d85
15158de6
hexfe8d1

1042641 has 6 divisors (see below), whose sum is σ = 1506050. Its totient is φ = 695088.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042641 is 1462401.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 50625 = 996^2 + 225^2 .

It is not a de Polignac number, because 1042641 - 23 = 1042633 is a prime.

It is a Duffinian number.

1042641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1042631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57916 + ... + 57933.

21042641 is an apocalyptic number.

It is an amenable number.

1042641 is a deficient number, since it is larger than the sum of its proper divisors (463409).

1042641 is a wasteful number, since it uses less digits than its factorization.

1042641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115855 (or 115852 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1042641 is about 1021.0979384956. The cubic root of 1042641 is about 101.4016292352.

The spelling of 1042641 in words is "one million, forty-two thousand, six hundred forty-one".

Divisors: 1 3 9 115849 347547 1042641