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42044311 = 416116811
BaseRepresentation
bin1010000001100…
…0101110010111
32221010001221201
42200120232113
541230404221
64101053331
71020241111
oct240305627
987101851
1042044311
1121807571
12120b7247
1389311ba
1458263b1
153a57891
hex2818b97

42044311 has 8 divisors (see below), whose sum is σ = 43778448. Its totient is φ = 40344000.

The previous prime is 42044297. The next prime is 42044323. The reversal of 42044311 is 11344024.

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

It is not a de Polignac number, because 42044311 - 25 = 42044279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044371) 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, 5905 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (5472306).

Almost surely, 242044311 is an apocalyptic number.

42044311 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42044311 is a deficient number, since it is larger than the sum of its proper divisors (1734137).

42044311 is a wasteful number, since it uses less digits than its factorization.

42044311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16913.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42044311 is about 6484.1584650593. The cubic root of 42044311 is about 347.7248645532.

Adding to 42044311 its reverse (11344024), we get a palindrome (53388335).

It can be divided in two parts, 4204 and 4311, that added together give a triangular number (8515 = T130).

The spelling of 42044311 in words is "forty-two million, forty-four thousand, three hundred eleven".

Divisors: 1 41 61 2501 16811 689251 1025471 42044311