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1442881195 = 57223256057
BaseRepresentation
bin101011000000000…
…1001111010101011
310201120000221220021
41112000021322223
510423334144240
6355101541311
750520200500
oct12600117253
93646027807
101442881195
11680517aa8
12343274837
1319cc13872
14d98b54a7
1586a1554a
hex56009eab

1442881195 has 24 divisors (see below), whose sum is σ = 2101724064. Its totient is φ = 946382976.

The previous prime is 1442881189. The next prime is 1442881199. The reversal of 1442881195 is 5911882441.

It is not a de Polignac number, because 1442881195 - 227 = 1308663467 is a prime.

It is a super-2 number, since 2×14428811952 = 4163812285769256050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442881199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122394 + ... + 133663.

It is an arithmetic number, because the mean of its divisors is an integer number (87571836).

Almost surely, 21442881195 is an apocalyptic number.

1442881195 is a deficient number, since it is larger than the sum of its proper divisors (658842869).

1442881195 is a wasteful number, since it uses less digits than its factorization.

1442881195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256099 (or 256092 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 1442881195 is about 37985.2760290089. The cubic root of 1442881195 is about 1129.9958741072.

The spelling of 1442881195 in words is "one billion, four hundred forty-two million, eight hundred eighty-one thousand, one hundred ninety-five".

Divisors: 1 5 7 23 35 49 115 161 245 805 1127 5635 256057 1280285 1792399 5889311 8961995 12546793 29446555 41225177 62733965 206125885 288576239 1442881195