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142450742 = 272832211
BaseRepresentation
bin10000111110110…
…10000000110110
3100221001020200102
420133122000312
5242431410432
622045114102
73346545200
oct1037320066
9327036612
10142450742
1173456395
123b858932
13236879a5
1414cc1770
15c78c962
hex87da036

142450742 has 36 divisors (see below), whose sum is σ = 252785196. Its totient is φ = 60028920.

The previous prime is 142450741. The next prime is 142450757. The reversal of 142450742 is 247054241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142450741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 675017 + ... + 675227.

It is an arithmetic number, because the mean of its divisors is an integer number (7021811).

Almost surely, 2142450742 is an apocalyptic number.

142450742 is a deficient number, since it is larger than the sum of its proper divisors (110334454).

142450742 is an equidigital number, since it uses as much as digits as its factorization.

142450742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 142450742 is about 11935.2730174052. The cubic root of 142450742 is about 522.2617727670.

The spelling of 142450742 in words is "one hundred forty-two million, four hundred fifty thousand, seven hundred forty-two".

Divisors: 1 2 7 14 49 83 98 166 211 422 581 1162 1477 2954 4067 6889 8134 10339 13778 17513 20678 35026 48223 96446 122591 245182 337561 675122 858137 1453579 1716274 2907158 10175053 20350106 71225371 142450742