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1144792444 = 221740141983
BaseRepresentation
bin100010000111100…
…0010010101111100
32221210010111000011
41010033002111330
54321031324234
6305332513004
740240401205
oct10417022574
92853114004
101144792444
11538229564
1227b47b764
131532349a3
14ac07c5ac
156a782b64
hex443c257c

1144792444 has 24 divisors (see below), whose sum is σ = 2126573568. Its totient is φ = 537369600.

The previous prime is 1144792433. The next prime is 1144792499. The reversal of 1144792444 is 4442974411.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1144792397 and 1144792406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6277 + ... + 48259.

It is an arithmetic number, because the mean of its divisors is an integer number (88607232).

Almost surely, 21144792444 is an apocalyptic number.

It is an amenable number.

1144792444 is a deficient number, since it is larger than the sum of its proper divisors (981781124).

1144792444 is a wasteful number, since it uses less digits than its factorization.

1144792444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42405 (or 42403 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 1144792444 is about 33834.7815716313. The cubic root of 1144792444 is about 1046.1057392189.

The spelling of 1144792444 in words is "one billion, one hundred forty-four million, seven hundred ninety-two thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 401 802 1604 6817 13634 27268 41983 83966 167932 713711 1427422 2854844 16835183 33670366 67340732 286198111 572396222 1144792444