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BaseRepresentation
bin11111110100011001010
31221222020002
43332203022
5231331014
634203002
711601515
oct3764312
91858202
101042634
1165238a
12423462
132a6758
141d1d7c
15158dde
hexfe8ca

1042634 has 4 divisors (see below), whose sum is σ = 1563954. Its totient is φ = 521316.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042634 is 4362401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4362401 = 5973939.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 426409 = 785^2 + 653^2 .

It is a plaindrome in base 15.

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 as a sum of consecutive naturals, namely, 260657 + ... + 260660.

21042634 is an apocalyptic number.

1042634 is a deficient number, since it is larger than the sum of its proper divisors (521320).

1042634 is an equidigital number, since it uses as much as digits as its factorization.

1042634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521319.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1042634 is about 1021.0945108069. The cubic root of 1042634 is about 101.4014023073.

The spelling of 1042634 in words is "one million, forty-two thousand, six hundred thirty-four".

Divisors: 1 2 521317 1042634