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142510272 = 263742241
BaseRepresentation
bin10000111111010…
…00100011000000
3100221011021100020
420133220203000
5242440312042
622050253440
73350213562
oct1037504300
9327137306
10142510272
1173497093
123b887280
13236a8b08
1414cd9332
15c7a03ec
hex87e88c0

142510272 has 28 divisors (see below), whose sum is σ = 377058936. Its totient is φ = 47503360.

The previous prime is 142510267. The next prime is 142510309. The reversal of 142510272 is 272015241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370929 + ... + 371312.

Almost surely, 2142510272 is an apocalyptic number.

142510272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142510272 is an abundant number, since it is smaller than the sum of its proper divisors (234548664).

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

142510272 is an equidigital number, since it uses as much as digits as its factorization.

142510272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742256 (or 742246 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 142510272 is about 11937.7666252947. The cubic root of 142510272 is about 522.3345134984.

The spelling of 142510272 in words is "one hundred forty-two million, five hundred ten thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 742241 1484482 2226723 2968964 4453446 5937928 8906892 11875856 17813784 23751712 35627568 47503424 71255136 142510272