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42488907 = 314162969
BaseRepresentation
bin1010001000010…
…1010001001011
32221221122211020
42202011101023
541334121112
64114403523
71024102236
oct242052113
987848736
1042488907
1121a905aa
12122905a3
138a58686
14590041d
153ae448c
hex288544b

42488907 has 4 divisors (see below), whose sum is σ = 56651880. Its totient is φ = 28325936.

The previous prime is 42488903. The next prime is 42488911. The reversal of 42488907 is 70988424.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42488903) and next prime (42488911).

It is a cyclic number.

It is not a de Polignac number, because 42488907 - 22 = 42488903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42488903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081482 + ... + 7081487.

It is an arithmetic number, because the mean of its divisors is an integer number (14162970).

Almost surely, 242488907 is an apocalyptic number.

42488907 is a deficient number, since it is larger than the sum of its proper divisors (14162973).

42488907 is a wasteful number, since it uses less digits than its factorization.

42488907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162972.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 42488907 is about 6518.3515554164. The cubic root of 42488907 is about 348.9462373705.

The spelling of 42488907 in words is "forty-two million, four hundred eighty-eight thousand, nine hundred seven".

Divisors: 1 3 14162969 42488907