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1142461442 = 2571230721
BaseRepresentation
bin100010000011000…
…1001010000000010
32221121202001110202
41010012021100002
54314432231232
6305210525202
740211522243
oct10406112002
92847661422
101142461442
11536987211
1227a736802
131528c99b5
14aba32cca
156a472162
hex44189402

1142461442 has 4 divisors (see below), whose sum is σ = 1713692166. Its totient is φ = 571230720.

The previous prime is 1142461429. The next prime is 1142461457. The reversal of 1142461442 is 2441642411.

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

It can be written as a sum of positive squares in only one way, i.e., 1100846041 + 41615401 = 33179^2 + 6451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285615359 + ... + 285615362.

Almost surely, 21142461442 is an apocalyptic number.

1142461442 is a deficient number, since it is larger than the sum of its proper divisors (571230724).

1142461442 is an equidigital number, since it uses as much as digits as its factorization.

1142461442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571230723.

The product of its digits is 6144, while the sum is 29.

The square root of 1142461442 is about 33800.3171878608. The cubic root of 1142461442 is about 1045.3952373532.

The spelling of 1142461442 in words is "one billion, one hundred forty-two million, four hundred sixty-one thousand, four hundred forty-two".

Divisors: 1 2 571230721 1142461442