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1444214652 = 223120351221
BaseRepresentation
bin101011000010100…
…1111011101111100
310201122112201001120
41112011033131330
510424204332102
6355150310540
750534423226
oct12605173574
93648481046
101444214652
11681248931
123437b8450
131a028c7aa
14d9b41416
1586bca6bc
hex5614f77c

1444214652 has 12 divisors (see below), whose sum is σ = 3369834216. Its totient is φ = 481404880.

The previous prime is 1444214573. The next prime is 1444214669. The reversal of 1444214652 is 2564124441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×14442146522 = 4171511922102962208, 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, 60175599 + ... + 60175622.

It is an arithmetic number, because the mean of its divisors is an integer number (280819518).

Almost surely, 21444214652 is an apocalyptic number.

1444214652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444214652 is an abundant number, since it is smaller than the sum of its proper divisors (1925619564).

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

1444214652 is a wasteful number, since it uses less digits than its factorization.

1444214652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120351228 (or 120351226 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 1444214652 is about 38002.8242634676. The cubic root of 1444214652 is about 1130.3438669461.

The spelling of 1444214652 in words is "one billion, four hundred forty-four million, two hundred fourteen thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 120351221 240702442 361053663 481404884 722107326 1444214652