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142264670 = 25174120411
BaseRepresentation
bin10000111101011…
…00100101011110
3100220200210102212
420132230211132
5242404432140
622041120422
73345141542
oct1036544536
9326623385
10142264670
1173339609
123b789112
13236210a2
1414c73a22
15c752765
hex87ac95e

142264670 has 32 divisors (see below), whose sum is σ = 277766496. Its totient is φ = 52249600.

The previous prime is 142264669. The next prime is 142264679. The reversal of 142264670 is 76462241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142264679) 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, 3236 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (8680203).

Almost surely, 2142264670 is an apocalyptic number.

142264670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142264670 is a deficient number, since it is larger than the sum of its proper divisors (135501826).

142264670 is a wasteful number, since it uses less digits than its factorization.

142264670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 142264670 is about 11927.4754244140. The cubic root of 142264670 is about 522.0342774377.

The spelling of 142264670 in words is "one hundred forty-two million, two hundred sixty-four thousand, six hundred seventy".

Divisors: 1 2 5 10 17 34 41 82 85 170 205 410 697 1394 3485 6970 20411 40822 102055 204110 346987 693974 836851 1673702 1734935 3469870 4184255 8368510 14226467 28452934 71132335 142264670