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1442213542 = 271110192723
BaseRepresentation
bin101010111110110…
…0110111010100110
310201111210001001101
41111331212322212
510423201313132
6355035350314
750511420130
oct12575467246
93644701041
101442213542
11680101420
12342bb239a
1319ca3b9c3
14d9780050
15869327e7
hex55f66ea6

1442213542 has 32 divisors (see below), whose sum is σ = 2723860224. Its totient is φ = 556332000.

The previous prime is 1442213497. The next prime is 1442213567. The reversal of 1442213542 is 2453122441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442213542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30808 + ... + 61915.

It is an arithmetic number, because the mean of its divisors is an integer number (85120632).

Almost surely, 21442213542 is an apocalyptic number.

1442213542 is a deficient number, since it is larger than the sum of its proper divisors (1281646682).

1442213542 is a wasteful number, since it uses less digits than its factorization.

1442213542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92844.

The product of its digits is 7680, while the sum is 28.

The square root of 1442213542 is about 37976.4866990089. The cubic root of 1442213542 is about 1129.8215558671.

Adding to 1442213542 its reverse (2453122441), we get a palindrome (3895335983).

The spelling of 1442213542 in words is "one billion, four hundred forty-two million, two hundred thirteen thousand, five hundred forty-two".

Divisors: 1 2 7 11 14 22 77 101 154 202 707 1111 1414 2222 7777 15554 92723 185446 649061 1019953 1298122 2039906 7139671 9365023 14279342 18730046 65555161 103015253 131110322 206030506 721106771 1442213542