Search a number
-
+
42372899 = 1392231367
BaseRepresentation
bin1010000110100…
…0111100100011
32221201202200122
42201220330203
541321413044
64112110455
71023110102
oct241507443
987652618
1042372899
1121a11428
121223542b
138a1792a
1458b0039
153abedee
hex2868f23

42372899 has 8 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 41848776.

The previous prime is 42372893. The next prime is 42372901. The reversal of 42372899 is 99827324.

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 42372899 - 220 = 41324323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42372893) 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, 30314 + ... + 31680.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 242372899 is an apocalyptic number.

42372899 is a deficient number, since it is larger than the sum of its proper divisors (527581).

42372899 is a wasteful number, since it uses less digits than its factorization.

42372899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 217728, while the sum is 44.

The square root of 42372899 is about 6509.4469043076. The cubic root of 42372899 is about 348.6283704614.

The spelling of 42372899 in words is "forty-two million, three hundred seventy-two thousand, eight hundred ninety-nine".

Divisors: 1 139 223 1367 30997 190013 304841 42372899