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142998432 = 2533134759
BaseRepresentation
bin10001000010111…
…11101110100000
3100222002001222020
420201133232200
5243101422212
622104541440
73354316023
oct1041375640
9328061866
10142998432
117379a925
123ba81880
132381a075
1414dc51ba
15c849d8c
hex885fba0

142998432 has 48 divisors (see below), whose sum is σ = 376649280. Its totient is φ = 47503872.

The previous prime is 142998413. The next prime is 142998439. The reversal of 142998432 is 234899241.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (142998439) 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 7 ways as a sum of consecutive naturals, for example, 27669 + ... + 32427.

It is an arithmetic number, because the mean of its divisors is an integer number (7846860).

Almost surely, 2142998432 is an apocalyptic number.

142998432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142998432 is an abundant number, since it is smaller than the sum of its proper divisors (233650848).

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

142998432 is a wasteful number, since it uses less digits than its factorization.

142998432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5077 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 142998432 is about 11958.1951815481. The cubic root of 142998432 is about 522.9302418455.

The spelling of 142998432 in words is "one hundred forty-two million, nine hundred ninety-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 313 626 939 1252 1878 2504 3756 4759 5008 7512 9518 10016 14277 15024 19036 28554 30048 38072 57108 76144 114216 152288 228432 456864 1489567 2979134 4468701 5958268 8937402 11916536 17874804 23833072 35749608 47666144 71499216 142998432