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142245700 = 22529671471
BaseRepresentation
bin10000111101001…
…11111101000100
3100220122211102021
420132213331010
5242403330300
622040452524
73345032332
oct1036477504
9326584367
10142245700
1173326333
123b77a144
132361556c
1414c6ab52
15c74bd1a
hex87a7f44

142245700 has 36 divisors (see below), whose sum is σ = 309202432. Its totient is φ = 56800800.

The previous prime is 142245619. The next prime is 142245703. The reversal of 142245700 is 7542241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (142245703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95965 + ... + 97435.

Almost surely, 2142245700 is an apocalyptic number.

142245700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142245700 is an abundant number, since it is smaller than the sum of its proper divisors (166956732).

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

142245700 is a wasteful number, since it uses less digits than its factorization.

142245700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 142245700 is about 11926.6801751368. The cubic root of 142245700 is about 522.0110731982.

Adding to 142245700 its reverse (7542241), we get a palindrome (149787941).

The spelling of 142245700 in words is "one hundred forty-two million, two hundred forty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 967 1471 1934 2942 3868 4835 5884 7355 9670 14710 19340 24175 29420 36775 48350 73550 96700 147100 1422457 2844914 5689828 7112285 14224570 28449140 35561425 71122850 142245700