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34400044 = 2271772269
BaseRepresentation
bin1000001100111…
…0011100101100
32101201200222201
42003032130230
532301300134
63225151244
7565252450
oct203163454
971650881
1034400044
1118466298
12b62b524
137185973
1447d6660
153047914
hex20ce72c

34400044 has 24 divisors (see below), whose sum is σ = 72848160. Its totient is φ = 13875456.

The previous prime is 34400029. The next prime is 34400057. The reversal of 34400044 is 44000443.

It is a junction number, because it is equal to n+sod(n) for n = 34399994 and 34400030.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35659 + ... + 36610.

It is an arithmetic number, because the mean of its divisors is an integer number (3035340).

Almost surely, 234400044 is an apocalyptic number.

34400044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

34400044 is an abundant number, since it is smaller than the sum of its proper divisors (38448116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34400044 is a wasteful number, since it uses less digits than its factorization.

34400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297 (or 72295 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 34400044 is about 5865.1550704137. The cubic root of 34400044 is about 325.2268049983.

Adding to 34400044 its reverse (44000443), we get a palindrome (78400487).

The spelling of 34400044 in words is "thirty-four million, four hundred thousand, forty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 72269 144538 289076 505883 1011766 1228573 2023532 2457146 4914292 8600011 17200022 34400044