Search a number
-
+
42448371 = 3717118903
BaseRepresentation
bin1010000111101…
…1010111110011
32221212121012220
42201323113303
541331321441
64113452123
71023543120
oct241732763
987777186
1042448371
1121a630a9
1212271043
138a430a4
1458cd747
153ad7466
hex287b5f3

42448371 has 16 divisors (see below), whose sum is σ = 68488704. Its totient is φ = 22829184.

The previous prime is 42448369. The next prime is 42448387. The reversal of 42448371 is 17384424.

It is not a de Polignac number, because 42448371 - 21 = 42448369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42448171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59095 + ... + 59808.

It is an arithmetic number, because the mean of its divisors is an integer number (4280544).

Almost surely, 242448371 is an apocalyptic number.

42448371 is a deficient number, since it is larger than the sum of its proper divisors (26040333).

42448371 is a wasteful number, since it uses less digits than its factorization.

42448371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118930.

The product of its digits is 21504, while the sum is 33.

The square root of 42448371 is about 6515.2414383505. The cubic root of 42448371 is about 348.8352328259.

The spelling of 42448371 in words is "forty-two million, four hundred forty-eight thousand, three hundred seventy-one".

Divisors: 1 3 7 17 21 51 119 357 118903 356709 832321 2021351 2496963 6064053 14149457 42448371