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142283400 = 233527191783
BaseRepresentation
bin10000111101100…
…01001010001000
3100220201202010120
420132301022020
5242411032100
622041343240
73345250260
oct1036611210
9326652116
10142283400
1173351696
123b797b20
132362977c
1414c7a7a0
15c7580a0
hex87b1288

142283400 has 192 divisors, whose sum is σ = 530918400. Its totient is φ = 30792960.

The previous prime is 142283399. The next prime is 142283443. The reversal of 142283400 is 4382241.

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 47 ways as a sum of consecutive naturals, for example, 78909 + ... + 80691.

It is an arithmetic number, because the mean of its divisors is an integer number (2765200).

Almost surely, 2142283400 is an apocalyptic number.

142283400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142283400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265459200).

142283400 is an abundant number, since it is smaller than the sum of its proper divisors (388635000).

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

142283400 is a wasteful number, since it uses less digits than its factorization.

142283400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142283400 is about 11928.2605605344. The cubic root of 142283400 is about 522.0571860838.

The spelling of 142283400 in words is "one hundred forty-two million, two hundred eighty-three thousand, four hundred".