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42670961 = 892631823
BaseRepresentation
bin1010001011000…
…1101101110001
32222021220112222
42202301231301
541410432321
64122330425
71025461064
oct242615561
988256488
1042670961
11220a5363
1212359a15
138ac04b8
14594a8db
153b2d3ab
hex28b1b71

42670961 has 8 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 42008032.

The previous prime is 42670951. The next prime is 42670967. The reversal of 42670961 is 16907624.

42670961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42670961 - 26 = 42670897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42670967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22496 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (5417280).

Almost surely, 242670961 is an apocalyptic number.

It is an amenable number.

42670961 is a deficient number, since it is larger than the sum of its proper divisors (667279).

42670961 is a wasteful number, since it uses less digits than its factorization.

42670961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42670961 is about 6532.3013555714. The cubic root of 42670961 is about 349.4439087691.

The spelling of 42670961 in words is "forty-two million, six hundred seventy thousand, nine hundred sixty-one".

Divisors: 1 89 263 1823 23407 162247 479449 42670961