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42060072 = 2331992237
BaseRepresentation
bin1010000001110…
…0100100101000
32221010212120110
42200130210220
541231410242
64101254320
71020335055
oct240344450
987125513
1042060072
112181839a
12121043a0
138938422
14582c02c
153a5c39c
hex281c928

42060072 has 32 divisors (see below), whose sum is σ = 110685600. Its totient is φ = 13281984.

The previous prime is 42060061. The next prime is 42060079. The reversal of 42060072 is 27006024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42060079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45663 + ... + 46574.

It is an arithmetic number, because the mean of its divisors is an integer number (3458925).

Almost surely, 242060072 is an apocalyptic number.

It is an amenable number.

42060072 is an abundant number, since it is smaller than the sum of its proper divisors (68625528).

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

42060072 is a wasteful number, since it uses less digits than its factorization.

42060072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92265 (or 92261 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42060072 is about 6485.3736977911. The cubic root of 42060072 is about 347.7683092490.

Adding to 42060072 its reverse (27006024), we get a palindrome (69066096).

The spelling of 42060072 in words is "forty-two million, sixty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 92237 184474 276711 368948 553422 737896 1106844 1752503 2213688 3505006 5257509 7010012 10515018 14020024 21030036 42060072