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100142230 = 2523435401
BaseRepresentation
bin1011111100000…
…00110010010110
320222102202022111
411332000302112
5201114022410
613534221234
72324123566
oct576006226
9228382274
10100142230
1151589381
122965481a
1317993476
14d42ada6
158bd1b8a
hex5f80c96

100142230 has 16 divisors (see below), whose sum is σ = 188093664. Its totient is φ = 38315200.

The previous prime is 100142221. The next prime is 100142233. The reversal of 100142230 is 32241001.

It is a self number, because there is not a number n which added to its sum of digits gives 100142230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100142233) 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, 217471 + ... + 217930.

It is an arithmetic number, because the mean of its divisors is an integer number (11755854).

Almost surely, 2100142230 is an apocalyptic number.

100142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100142230 is a deficient number, since it is larger than the sum of its proper divisors (87951434).

100142230 is a wasteful number, since it uses less digits than its factorization.

100142230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435431.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100142230 is about 10007.1089731251. The cubic root of 100142230 is about 464.3788368409.

Adding to 100142230 its reverse (32241001), we get a palindrome (132383231).

The spelling of 100142230 in words is "one hundred million, one hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 435401 870802 2177005 4354010 10014223 20028446 50071115 100142230