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42143202 = 2329724137
BaseRepresentation
bin1010000011000…
…0110111100010
32221022002121100
42200300313202
541242040302
64103135230
71021132323
oct240606742
987262540
1042143202
11218748a2
1212144516
13896720a
14585044a
153a76d1c
hex2830de2

42143202 has 24 divisors (see below), whose sum is σ = 92255436. Its totient is φ = 13902336.

The previous prime is 42143183. The next prime is 42143207. The reversal of 42143202 is 20234124.

42143202 is a `hidden beast` number, since 421 + 43 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 269361 = 6471^2 + 519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42143207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10323 + ... + 13814.

Almost surely, 242143202 is an apocalyptic number.

42143202 is an abundant number, since it is smaller than the sum of its proper divisors (50112234).

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

42143202 is a wasteful number, since it uses less digits than its factorization.

42143202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24242 (or 24239 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42143202 is about 6491.7795711192. The cubic root of 42143202 is about 347.9972750480.

Adding to 42143202 its reverse (20234124), we get a palindrome (62377326).

The spelling of 42143202 in words is "forty-two million, one hundred forty-three thousand, two hundred two".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 24137 48274 72411 144822 217233 434466 2341289 4682578 7023867 14047734 21071601 42143202