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1142442042 = 237172315787
BaseRepresentation
bin100010000011000…
…0100100000111010
32221121201001212020
41010012010200322
54314431121132
6305210255310
740211411550
oct10406044072
92847631766
101142442042
11536973685
1227a727536
131528c0c11
14aba29bd0
156a46b52c
hex4418483a

1142442042 has 32 divisors (see below), whose sum is σ = 2612977152. Its totient is φ = 326201904.

The previous prime is 1142442029. The next prime is 1142442053. The reversal of 1142442042 is 2402442411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64473 + ... + 80259.

It is an arithmetic number, because the mean of its divisors is an integer number (81655536).

Almost surely, 21142442042 is an apocalyptic number.

1142442042 is an abundant number, since it is smaller than the sum of its proper divisors (1470535110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142442042 is a wasteful number, since it uses less digits than its factorization.

1142442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1142442042 is about 33800.0302070871. The cubic root of 1142442042 is about 1045.3893200762.

Adding to 1142442042 its reverse (2402442411), we get a palindrome (3544884453).

The spelling of 1142442042 in words is "one billion, one hundred forty-two million, four hundred forty-two thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 1723 3446 5169 10338 12061 15787 24122 31574 36183 47361 72366 94722 110509 221018 331527 663054 27201001 54402002 81603003 163206006 190407007 380814014 571221021 1142442042