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1442650244 = 22761844643
BaseRepresentation
bin101010111111101…
…0001100010000100
310201112121020002112
41111333101202010
510423304301434
6355053000152
750515216250
oct12577214204
93645536075
101442650244
1168037a532
12343183058
1319cb626c9
14d9855260
15869bbdce
hex55fd1884

1442650244 has 24 divisors (see below), whose sum is σ = 2932603968. Its totient is φ = 608142240.

The previous prime is 1442650219. The next prime is 1442650247. The reversal of 1442650244 is 4420562441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442650244.

It is not an unprimeable number, because it can be changed into a prime (1442650247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420614 + ... + 424029.

It is an arithmetic number, because the mean of its divisors is an integer number (122191832).

Almost surely, 21442650244 is an apocalyptic number.

1442650244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442650244 is an abundant number, since it is smaller than the sum of its proper divisors (1489953724).

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

1442650244 is a wasteful number, since it uses less digits than its factorization.

1442650244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844715 (or 844713 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 1442650244 is about 37982.2359004838. The cubic root of 1442650244 is about 1129.9355809467.

The spelling of 1442650244 in words is "one billion, four hundred forty-two million, six hundred fifty thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 844643 1689286 3378572 5912501 11825002 23650004 51523223 103046446 206092892 360662561 721325122 1442650244