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42297670 = 254229767
BaseRepresentation
bin1010000101011…
…0100101000110
32221120221111101
42201112211012
541312011140
64110330314
71022344552
oct241264506
987527441
1042297670
112196a958
12121b999a
1389bc60c
145890862
153aa799a
hex2856946

42297670 has 8 divisors (see below), whose sum is σ = 76135824. Its totient is φ = 16919064.

The previous prime is 42297659. The next prime is 42297679. The reversal of 42297670 is 7679224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42297679) 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 3 ways as a sum of consecutive naturals, for example, 2114874 + ... + 2114893.

It is an arithmetic number, because the mean of its divisors is an integer number (9516978).

Almost surely, 242297670 is an apocalyptic number.

42297670 is a deficient number, since it is larger than the sum of its proper divisors (33838154).

42297670 is a wasteful number, since it uses less digits than its factorization.

42297670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229774.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42297670 is about 6503.6658893273. The cubic root of 42297670 is about 348.4219295461.

The spelling of 42297670 in words is "forty-two million, two hundred ninety-seven thousand, six hundred seventy".

Divisors: 1 2 5 10 4229767 8459534 21148835 42297670