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1442400342 = 23435590699
BaseRepresentation
bin101010111111001…
…0100100001010110
310201112010112021220
41111332110201112
510423223302332
6355043351210
750513125545
oct12576244126
93645115256
101442400342
116802197a9
12343082506
1319caa5a36
14d97cc15c
158696cd2c
hex55f94856

1442400342 has 16 divisors (see below), whose sum is σ = 2951889600. Its totient is φ = 469618632.

The previous prime is 1442400319. The next prime is 1442400373. The reversal of 1442400342 is 2430042441.

It is a happy number.

It is a congruent 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, 2795092 + ... + 2795607.

It is an arithmetic number, because the mean of its divisors is an integer number (184493100).

Almost surely, 21442400342 is an apocalyptic number.

1442400342 is an abundant number, since it is smaller than the sum of its proper divisors (1509489258).

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

1442400342 is a wasteful number, since it uses less digits than its factorization.

1442400342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590747.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1442400342 is about 37978.9460359289. The cubic root of 1442400342 is about 1129.8703330995.

Adding to 1442400342 its reverse (2430042441), we get a palindrome (3872442783).

The spelling of 1442400342 in words is "one billion, four hundred forty-two million, four hundred thousand, three hundred forty-two".

Divisors: 1 2 3 6 43 86 129 258 5590699 11181398 16772097 33544194 240400057 480800114 721200171 1442400342