Search a number
-
+
42870378 = 237145063
BaseRepresentation
bin1010001110001…
…0011001101010
32222200001002210
42203202121222
541433323003
64130505550
71030251345
oct243423152
988601083
1042870378
1122221171
12124352b6
138b601b5
14599d45c
153b6c503
hex28e266a

42870378 has 8 divisors (see below), whose sum is σ = 85740768. Its totient is φ = 14290124.

The previous prime is 42870361. The next prime is 42870389. The reversal of 42870378 is 87307824.

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

42870378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572526 + ... + 3572537.

It is an arithmetic number, because the mean of its divisors is an integer number (10717596).

Almost surely, 242870378 is an apocalyptic number.

42870378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42870378 is a wasteful number, since it uses less digits than its factorization.

42870378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145068.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 42870378 is about 6547.5474797820. The cubic root of 42870378 is about 349.9874226773.

The spelling of 42870378 in words is "forty-two million, eight hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7145063 14290126 21435189 42870378