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40898419 = 225118169
BaseRepresentation
bin1001110000000…
…0111101110011
32211221212002021
42130000331303
540432222134
64020332311
71004426242
oct234007563
984855067
1040898419
11210a4651
1211844097
13861c763
145608959
1538cd0b4
hex2700f73

40898419 has 4 divisors (see below), whose sum is σ = 40918840. Its totient is φ = 40878000.

The previous prime is 40898399. The next prime is 40898441. The reversal of 40898419 is 91489804.

40898419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40898419 - 29 = 40897907 is a prime.

It is a super-2 number, since 2×408984192 = 3345361353399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40898449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6834 + ... + 11335.

It is an arithmetic number, because the mean of its divisors is an integer number (10229710).

Almost surely, 240898419 is an apocalyptic number.

40898419 is a deficient number, since it is larger than the sum of its proper divisors (20421).

40898419 is a wasteful number, since it uses less digits than its factorization.

40898419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20420.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 40898419 is about 6395.1871747432. The cubic root of 40898419 is about 344.5367134434.

The spelling of 40898419 in words is "forty million, eight hundred ninety-eight thousand, four hundred nineteen".

Divisors: 1 2251 18169 40898419