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34444143 = 331275709
BaseRepresentation
bin1000001101100…
…1001101101111
32101210221111000
42003121031233
532304203033
63230131343
7565525146
oct203311557
971727430
1034444143
1118496438
12b650b53
13719ca66
14480875d
153055a13
hex20d936f

34444143 has 8 divisors (see below), whose sum is σ = 51028400. Its totient is φ = 22962744.

The previous prime is 34444139. The next prime is 34444147. The reversal of 34444143 is 34144443.

It is an interprime number because it is at equal distance from previous prime (34444139) and next prime (34444147).

It is not a de Polignac number, because 34444143 - 22 = 34444139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1275709 = 34444143 / (3 + 4 + 4 + 4 + 4 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34444147) 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, 637828 + ... + 637881.

It is an arithmetic number, because the mean of its divisors is an integer number (6378550).

Almost surely, 234444143 is an apocalyptic number.

34444143 is a deficient number, since it is larger than the sum of its proper divisors (16584257).

34444143 is a wasteful number, since it uses less digits than its factorization.

34444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275718 (or 1275712 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 34444143 is about 5868.9132724892. The cubic root of 34444143 is about 325.3657200590.

Adding to 34444143 its reverse (34144443), we get a palindrome (68588586).

The spelling of 34444143 in words is "thirty-four million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 9 27 1275709 3827127 11481381 34444143