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42001206 = 23132711987
BaseRepresentation
bin1010000000111…
…0001100110110
32221000212211020
42200032030312
541223014311
64100122010
71020001332
oct240161466
987025736
1042001206
1121788145
1212096306
1389176b0
1458147c2
153a49c06
hex280e336

42001206 has 32 divisors (see below), whose sum is σ = 90843648. Its totient is φ = 12869280.

The previous prime is 42001199. The next prime is 42001217. The reversal of 42001206 is 60210024.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20145 + ... + 22131.

It is an arithmetic number, because the mean of its divisors is an integer number (2838864).

Almost surely, 242001206 is an apocalyptic number.

42001206 is an abundant number, since it is smaller than the sum of its proper divisors (48842442).

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

42001206 is a wasteful number, since it uses less digits than its factorization.

42001206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42001206 is about 6480.8337426600. The cubic root of 42001206 is about 347.6059915109.

The spelling of 42001206 in words is "forty-two million, one thousand, two hundred six".

Divisors: 1 2 3 6 13 26 39 78 271 542 813 1626 1987 3523 3974 5961 7046 10569 11922 21138 25831 51662 77493 154986 538477 1076954 1615431 3230862 7000201 14000402 21000603 42001206