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42630707 = 723264787
BaseRepresentation
bin1010001010011…
…1111000110011
32222012212100002
42202213320303
541403140312
64121420215
71025232530
oct242477063
988185302
1042630707
1122078099
121233a66b
138aa8092
145939d87
153b214c2
hex28a7e33

42630707 has 8 divisors (see below), whose sum is σ = 50839296. Its totient is φ = 34951752.

The previous prime is 42630703. The next prime is 42630727. The reversal of 42630707 is 70703624.

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 42630707 - 22 = 42630703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42630707.

It is not an unprimeable number, because it can be changed into a prime (42630703) 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, 132233 + ... + 132554.

It is an arithmetic number, because the mean of its divisors is an integer number (6354912).

Almost surely, 242630707 is an apocalyptic number.

42630707 is a deficient number, since it is larger than the sum of its proper divisors (8208589).

42630707 is a wasteful number, since it uses less digits than its factorization.

42630707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264817.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 42630707 is about 6529.2194786207. The cubic root of 42630707 is about 349.3339906081. Note that the first 3 decimals are identical.

The spelling of 42630707 in words is "forty-two million, six hundred thirty thousand, seven hundred seven".

Divisors: 1 7 23 161 264787 1853509 6090101 42630707