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142203570 = 2355980341
BaseRepresentation
bin10000111100111…
…01101010110010
3100220120200121220
420132131222302
5242401003240
622035525510
73344465445
oct1036355262
9326520556
10142203570
11732a7713
123b759896
13235cc332
1414c5965c
15c73e5d0
hex879dab2

142203570 has 32 divisors (see below), whose sum is σ = 347077440. Its totient is φ = 37277760.

The previous prime is 142203563. The next prime is 142203571. The reversal of 142203570 is 75302241.

It is a self number, because there is not a number n which added to its sum of digits gives 142203570.

It is not an unprimeable number, because it can be changed into a prime (142203571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38401 + ... + 41940.

It is an arithmetic number, because the mean of its divisors is an integer number (10846170).

Almost surely, 2142203570 is an apocalyptic number.

142203570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142203570 is an abundant number, since it is smaller than the sum of its proper divisors (204873870).

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

142203570 is a wasteful number, since it uses less digits than its factorization.

142203570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80410.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 142203570 is about 11924.9138361667. The cubic root of 142203570 is about 521.9595321016.

The spelling of 142203570 in words is "one hundred forty-two million, two hundred three thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 80341 160682 241023 401705 482046 803410 1205115 2410230 4740119 9480238 14220357 23700595 28440714 47401190 71101785 142203570