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1142425442 = 2679199277
BaseRepresentation
bin100010000011000…
…0000011101100010
32221121200020002102
41010012000131202
54314430103232
6305210050402
740211312264
oct10406003542
92847606072
101142425442
11536962164
1227a719a02
131528b64b2
14aba23b34
156a466662
hex44180762

1142425442 has 16 divisors (see below), whose sum is σ = 1741295040. Its totient is φ = 562014288.

The previous prime is 1142425393. The next prime is 1142425481. The reversal of 1142425442 is 2445242411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118508 + ... + 127784.

It is an arithmetic number, because the mean of its divisors is an integer number (108830940).

Almost surely, 21142425442 is an apocalyptic number.

1142425442 is a deficient number, since it is larger than the sum of its proper divisors (598869598).

1142425442 is an equidigital number, since it uses as much as digits as its factorization.

1142425442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265.

The product of its digits is 10240, while the sum is 29.

The square root of 1142425442 is about 33799.7846442843. The cubic root of 1142425442 is about 1045.3842567860.

Adding to 1142425442 its reverse (2445242411), we get a palindrome (3587667853).

The spelling of 1142425442 in words is "one billion, one hundred forty-two million, four hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 67 134 919 1838 9277 18554 61573 123146 621559 1243118 8525563 17051126 571212721 1142425442