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144166770 = 23351148541
BaseRepresentation
bin10001001011111…
…00111101110010
3101001021102122000
420211330331302
5243401314040
622145554430
73400253166
oct1045747562
9331242560
10144166770
11744186a0
1240345a16
1323b38aa7
141520aca6
15c9cb130
hex897cf72

144166770 has 64 divisors (see below), whose sum is σ = 419402880. Its totient is φ = 34948800.

The previous prime is 144166741. The next prime is 144166787. The reversal of 144166770 is 77661441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21301 + ... + 27240.

It is an arithmetic number, because the mean of its divisors is an integer number (6553170).

Almost surely, 2144166770 is an apocalyptic number.

144166770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144166770 is an abundant number, since it is smaller than the sum of its proper divisors (275236110).

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

144166770 is a wasteful number, since it uses less digits than its factorization.

144166770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48568 (or 48562 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 144166770 is about 12006.9467392839. The cubic root of 144166770 is about 524.3505438543.

The spelling of 144166770 in words is "one hundred forty-four million, one hundred sixty-six thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 48541 97082 145623 242705 291246 436869 485410 533951 728115 873738 1067902 1310607 1456230 1601853 2184345 2621214 2669755 3203706 4368690 4805559 5339510 6553035 8009265 9611118 13106070 14416677 16018530 24027795 28833354 48055590 72083385 144166770