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142503250 = 253570013
BaseRepresentation
bin10000111111001…
…10110101010010
3100221010220201011
420133212311102
5242440101000
622050201134
73350154241
oct1037466522
9327126634
10142503250
117349188a
123b8831aa
13236a5866
1414cd6958
15c79d2ba
hex87e6d52

142503250 has 16 divisors (see below), whose sum is σ = 266766552. Its totient is φ = 57001200.

The previous prime is 142503233. The next prime is 142503253. The reversal of 142503250 is 52305241.

It can be written as a sum of positive squares in 4 ways, for example, as 28504921 + 113998329 = 5339^2 + 10677^2 .

It is not an unprimeable number, because it can be changed into a prime (142503253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284757 + ... + 285256.

Almost surely, 2142503250 is an apocalyptic number.

142503250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142503250 is a deficient number, since it is larger than the sum of its proper divisors (124263302).

142503250 is an equidigital number, since it uses as much as digits as its factorization.

142503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570030 (or 570020 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 142503250 is about 11937.4725130574. The cubic root of 142503250 is about 522.3259342497.

Adding to 142503250 its reverse (52305241), we get a palindrome (194808491).

The spelling of 142503250 in words is "one hundred forty-two million, five hundred three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 570013 1140026 2850065 5700130 14250325 28500650 71251625 142503250