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1144079718 = 231922694423
BaseRepresentation
bin100010000110001…
…0100010101100110
32221201210021022220
41010030110111212
54320341022333
6305305333210
740231342245
oct10414242546
92851707286
101144079718
11537892031
1227b197206
13153045462
14abd3495c
156a6918b3
hex44314566

1144079718 has 32 divisors (see below), whose sum is σ = 2410195200. Its totient is φ = 361047456.

The previous prime is 1144079711. The next prime is 1144079771. The reversal of 1144079718 is 8179704411.

It is a super-2 number, since 2×11440797182 = 2617836802277919048, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144079718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144079711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256455 + ... + 260877.

It is an arithmetic number, because the mean of its divisors is an integer number (75318600).

Almost surely, 21144079718 is an apocalyptic number.

1144079718 is an abundant number, since it is smaller than the sum of its proper divisors (1266115482).

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

1144079718 is a wasteful number, since it uses less digits than its factorization.

1144079718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 1144079718 is about 33824.2474860861. The cubic root of 1144079718 is about 1045.8885989719. Note that the first 3 decimals are identical.

The spelling of 1144079718 in words is "one billion, one hundred forty-four million, seventy-nine thousand, seven hundred eighteen".

Divisors: 1 2 3 6 19 38 57 114 2269 4423 4538 6807 8846 13269 13614 26538 43111 84037 86222 129333 168074 252111 258666 504222 10035787 20071574 30107361 60214722 190679953 381359906 572039859 1144079718