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142466520 = 23357224229
BaseRepresentation
bin10000111110111…
…01110111011000
3100221002001022210
420133131313120
5242432412040
622045315120
73346642200
oct1037356730
9327061283
10142466520
1173467229
123b865aa0
1323691c21
1414cc7400
15c792480
hex87dddd8

142466520 has 96 divisors (see below), whose sum is σ = 497199600. Its totient is φ = 32562432.

The previous prime is 142466461. The next prime is 142466543. The reversal of 142466520 is 25664241.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6235 + ... + 17994.

Almost surely, 2142466520 is an apocalyptic number.

142466520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142466520 is an abundant number, since it is smaller than the sum of its proper divisors (354733080).

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

142466520 is a wasteful number, since it uses less digits than its factorization.

142466520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24257 (or 24246 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 142466520 is about 11935.9339810507. The cubic root of 142466520 is about 522.2810541502.

The spelling of 142466520 in words is "one hundred forty-two million, four hundred sixty-six thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 24229 48458 72687 96916 121145 145374 169603 193832 242290 290748 339206 363435 484580 508809 581496 678412 726870 848015 969160 1017618 1187221 1356824 1453740 1696030 2035236 2374442 2544045 2907480 3392060 3561663 4070472 4748884 5088090 5936105 6784120 7123326 9497768 10176180 11872210 14246652 17808315 20352360 23744420 28493304 35616630 47488840 71233260 142466520