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1145444310 = 232523354623
BaseRepresentation
bin100010001000110…
…0001011111010110
32221211100121012100
41010101201133112
54321213204220
6305354502530
740246054533
oct10421413726
92854317170
101145444310
1153863429a
1227b734a46
131534025ca
14ac1abd8a
156a860d90
hex444617d6

1145444310 has 48 divisors (see below), whose sum is σ = 2990991744. Its totient is φ = 304135296.

The previous prime is 1145444299. The next prime is 1145444341. The reversal of 1145444310 is 134445411.

1145444310 is a `hidden beast` number, since 114 + 544 + 4 + 3 + 1 + 0 = 666.

It is a super-2 number, since 2×11454443102 = 2624085334622752200, 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 23 ways as a sum of consecutive naturals, for example, 6342 + ... + 48281.

It is an arithmetic number, because the mean of its divisors is an integer number (62312328).

Almost surely, 21145444310 is an apocalyptic number.

1145444310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145444310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495495872).

1145444310 is an abundant number, since it is smaller than the sum of its proper divisors (1845547434).

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

1145444310 is a wasteful number, since it uses less digits than its factorization.

1145444310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54869 (or 54866 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1145444310 is about 33844.4132760490. The cubic root of 1145444310 is about 1046.3042588648.

Adding to 1145444310 its reverse (134445411), we get a palindrome (1279889721).

The spelling of 1145444310 in words is "one billion, one hundred forty-five million, four hundred forty-four thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 233 466 699 1165 1398 2097 2330 3495 4194 6990 10485 20970 54623 109246 163869 273115 327738 491607 546230 819345 983214 1638690 2458035 4916070 12727159 25454318 38181477 63635795 76362954 114544431 127271590 190907385 229088862 381814770 572722155 1145444310