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42799746 = 2311648481
BaseRepresentation
bin1010001101000…
…1001010000010
32222112110012210
42203101022002
541424042441
64125202550
71026535413
oct243211202
988473183
1042799746
11221830a0
1212400456
138b36cc2
14598180a
153b56616
hex28d1282

42799746 has 16 divisors (see below), whose sum is σ = 93381408. Its totient is φ = 12969600.

The previous prime is 42799741. The next prime is 42799763. The reversal of 42799746 is 64799724.

It is a junction number, because it is equal to n+sod(n) for n = 42799695 and 42799704.

It is not an unprimeable number, because it can be changed into a prime (42799741) 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, 324175 + ... + 324306.

It is an arithmetic number, because the mean of its divisors is an integer number (5836338).

Almost surely, 242799746 is an apocalyptic number.

42799746 is an abundant number, since it is smaller than the sum of its proper divisors (50581662).

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

42799746 is a wasteful number, since it uses less digits than its factorization.

42799746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648497.

The product of its digits is 762048, while the sum is 48.

The square root of 42799746 is about 6542.1514809732. The cubic root of 42799746 is about 349.7951072885.

The spelling of 42799746 in words is "forty-two million, seven hundred ninety-nine thousand, seven hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 648481 1296962 1945443 3890886 7133291 14266582 21399873 42799746