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142550436 = 22374736107
BaseRepresentation
bin10000111111100…
…10010110100100
3100221020022102210
420133302112210
5242443103221
622051203420
73350441640
oct1037622644
9327208383
10142550436
1173514286
123b8a6570
13236c1192
1414d09c20
15c7ac276
hex87f25a4

142550436 has 48 divisors (see below), whose sum is σ = 388233216. Its totient is φ = 39861024.

The previous prime is 142550417. The next prime is 142550437. The reversal of 142550436 is 634055241.

142550436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142550437) 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, 14106 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (8088192).

Almost surely, 2142550436 is an apocalyptic number.

It is an amenable number.

142550436 is an abundant number, since it is smaller than the sum of its proper divisors (245682780).

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

142550436 is a wasteful number, since it uses less digits than its factorization.

142550436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168 (or 36166 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 142550436 is about 11939.4487309926. The cubic root of 142550436 is about 522.3835791378.

The spelling of 142550436 in words is "one hundred forty-two million, five hundred fifty thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 36107 72214 108321 144428 216642 252749 433284 505498 758247 1010996 1516494 1697029 3032988 3394058 5091087 6788116 10182174 11879203 20364348 23758406 35637609 47516812 71275218 142550436