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42182670 = 2351406089
BaseRepresentation
bin1010000011101…
…0100000001110
32221101002202010
42200322200032
541244321140
64104042050
71021355355
oct240724016
987332663
1042182670
11218a1512
1212163326
13897c17a
14586099c
153a83880
hex283a80e

42182670 has 16 divisors (see below), whose sum is σ = 101238480. Its totient is φ = 11248704.

The previous prime is 42182663. The next prime is 42182687. The reversal of 42182670 is 7628124.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1406089 = 42182670 / (4 + 2 + 1 + 8 + 2 + 6 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703015 + ... + 703074.

It is an arithmetic number, because the mean of its divisors is an integer number (6327405).

Almost surely, 242182670 is an apocalyptic number.

42182670 is an abundant number, since it is smaller than the sum of its proper divisors (59055810).

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

42182670 is a wasteful number, since it uses less digits than its factorization.

42182670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406099.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 42182670 is about 6494.8187041672. The cubic root of 42182670 is about 348.1058767552.

The spelling of 42182670 in words is "forty-two million, one hundred eighty-two thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1406089 2812178 4218267 7030445 8436534 14060890 21091335 42182670