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142759450 = 2522855189
BaseRepresentation
bin10001000001001…
…01011000011010
3100221121221011001
420200211120122
5243021300300
622055455214
73352302211
oct1040453032
9327557131
10142759450
1173647319
123b98750a
1323765362
1414d62078
15c7ee16a
hex882561a

142759450 has 12 divisors (see below), whose sum is σ = 265532670. Its totient is φ = 57103760.

The previous prime is 142759423. The next prime is 142759469. The reversal of 142759450 is 54957241.

It can be written as a sum of positive squares in 3 ways, for example, as 88604569 + 54154881 = 9413^2 + 7359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1427545 + ... + 1427644.

Almost surely, 2142759450 is an apocalyptic number.

142759450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142759450 is a deficient number, since it is larger than the sum of its proper divisors (122773220).

142759450 is a wasteful number, since it uses less digits than its factorization.

142759450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855201 (or 2855196 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 142759450 is about 11948.1986089954. The cubic root of 142759450 is about 522.6387687246.

The spelling of 142759450 in words is "one hundred forty-two million, seven hundred fifty-nine thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2855189 5710378 14275945 28551890 71379725 142759450