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1144664130 = 23571537401
BaseRepresentation
bin100010000111010…
…0011000001000010
32221202212221222210
41010032203001002
54321013223010
6305330042550
740236325131
oct10416430102
92852787883
101144664130
11538151115
1227b419456
131531bb46c
14ac047918
156a759b20
hex443a3042

1144664130 has 32 divisors (see below), whose sum is σ = 2785891968. Its totient is φ = 300944000.

The previous prime is 1144664093. The next prime is 1144664149. The reversal of 1144664130 is 314664411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266571 + ... + 270830.

It is an arithmetic number, because the mean of its divisors is an integer number (87059124).

Almost surely, 21144664130 is an apocalyptic number.

1144664130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144664130 is an abundant number, since it is smaller than the sum of its proper divisors (1641227838).

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

1144664130 is a wasteful number, since it uses less digits than its factorization.

1144664130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537482.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1144664130 is about 33832.8853336513. The cubic root of 1144664130 is about 1046.0666535232.

The spelling of 1144664130 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 537401 1074802 1612203 2687005 3224406 5374010 8061015 16122030 38155471 76310942 114466413 190777355 228932826 381554710 572332065 1144664130