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142485474 = 2328438353
BaseRepresentation
bin10000111111000…
…10011111100010
3100221010000022210
420133202133202
5242434013344
622045542550
73350051355
oct1037423742
9327100283
10142485474
117347a49a
123b874a56
132369a741
1414cd029c
15c797db9
hex87e27e2

142485474 has 16 divisors (see below), whose sum is σ = 285105312. Its totient is φ = 47472768.

The previous prime is 142485467. The next prime is 142485481. The reversal of 142485474 is 474584241.

It is an interprime number because it is at equal distance from previous prime (142485467) and next prime (142485481).

It is a super-2 number, since 2×1424854742 = 40604220602009352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12882 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (17819082).

Almost surely, 2142485474 is an apocalyptic number.

142485474 is an abundant number, since it is smaller than the sum of its proper divisors (142619838).

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

142485474 is a wasteful number, since it uses less digits than its factorization.

142485474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201.

The product of its digits is 143360, while the sum is 39.

The square root of 142485474 is about 11936.7279436201. The cubic root of 142485474 is about 522.3042148576.

The spelling of 142485474 in words is "one hundred forty-two million, four hundred eighty-five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 2843 5686 8353 8529 16706 17058 25059 50118 23747579 47495158 71242737 142485474