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1444057086 = 23240676181
BaseRepresentation
bin101011000010010…
…1000111111111110
310201122020200220210
41112010220333332
510424134311321
6355143053250
750533165653
oct12604507776
93648220823
101444057086
1168115050a
12343741226
131a0235b64
14d9addc2a
1586b98b76
hex56128ffe

1444057086 has 8 divisors (see below), whose sum is σ = 2888114184. Its totient is φ = 481352360.

The previous prime is 1444057067. The next prime is 1444057141. The reversal of 1444057086 is 6807504441.

It is a sphenic number, since it is the product of 3 distinct primes.

1444057086 is an admirable number.

It is a super-2 number, since 2×14440570862 = 4170601735253622792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120338085 + ... + 120338096.

It is an arithmetic number, because the mean of its divisors is an integer number (361014273).

Almost surely, 21444057086 is an apocalyptic number.

1444057086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1444057086 is a wasteful number, since it uses less digits than its factorization.

1444057086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240676186.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1444057086 is about 38000.7511241554. The cubic root of 1444057086 is about 1130.3027580433.

The spelling of 1444057086 in words is "one billion, four hundred forty-four million, fifty-seven thousand, eighty-six".

Divisors: 1 2 3 6 240676181 481352362 722028543 1444057086