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142266530 = 2573475857
BaseRepresentation
bin10000111101011…
…01000010100010
3100220200212222202
420132231002202
5242410012110
622041133202
73345150140
oct1036550242
9326625882
10142266530
117333aa4a
123b78a202
1323621ba3
1414c74590
15c7530a5
hex87ad0a2

142266530 has 32 divisors (see below), whose sum is σ = 293556096. Its totient is φ = 48628224.

The previous prime is 142266529. The next prime is 142266559. The reversal of 142266530 is 35662241.

It is a super-3 number, since 3×1422665303 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142266493 and 142266502.

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, 21362 + ... + 27218.

It is an arithmetic number, because the mean of its divisors is an integer number (9173628).

Almost surely, 2142266530 is an apocalyptic number.

142266530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142266530 is an abundant number, since it is smaller than the sum of its proper divisors (151289566).

142266530 is a wasteful number, since it uses less digits than its factorization.

142266530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 142266530 is about 11927.5533953951. The cubic root of 142266530 is about 522.0365524919.

The spelling of 142266530 in words is "one hundred forty-two million, two hundred sixty-six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 347 694 1735 2429 3470 4858 5857 11714 12145 24290 29285 40999 58570 81998 204995 409990 2032379 4064758 10161895 14226653 20323790 28453306 71133265 142266530