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514220688 = 243241251347
BaseRepresentation
bin11110101001100…
…110001010010000
31022211121010011200
4132221212022100
52023120030223
6123005311200
715512542452
oct3651461220
91284533150
10514220688
1124429a683
12124265500
13826c3ac7
144c4182d2
1530226a43
hex1ea66290

514220688 has 120 divisors (see below), whose sum is σ = 1484342496. Its totient is φ = 166080000.

The previous prime is 514220677. The next prime is 514220699. The reversal of 514220688 is 886022415.

It is an interprime number because it is at equal distance from previous prime (514220677) and next prime (514220699).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1481731 + ... + 1482077.

Almost surely, 2514220688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514220688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742171248).

514220688 is an abundant number, since it is smaller than the sum of its proper divisors (970121808).

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

514220688 is a wasteful number, since it uses less digits than its factorization.

514220688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 514220688 is about 22676.4346403927. The cubic root of 514220688 is about 801.1549401725.

The spelling of 514220688 in words is "five hundred fourteen million, two hundred twenty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 82 123 144 164 246 251 328 347 369 492 502 656 694 738 753 984 1004 1041 1388 1476 1506 1968 2008 2082 2259 2776 2952 3012 3123 4016 4164 4518 5552 5904 6024 6246 8328 9036 10291 12048 12492 14227 16656 18072 20582 24984 28454 30873 36144 41164 42681 49968 56908 61746 82328 85362 87097 92619 113816 123492 128043 164656 170724 174194 185238 227632 246984 256086 261291 341448 348388 370476 493968 512172 522582 682896 696776 740952 783873 1024344 1045164 1393552 1481904 1567746 2048688 2090328 3135492 3570977 4180656 6270984 7141954 10712931 12541968 14283908 21425862 28567816 32138793 42851724 57135632 64277586 85703448 128555172 171406896 257110344 514220688