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43980925 = 5217310169
BaseRepresentation
bin1010011111000…
…1100001111101
310001202110111011
42213301201331
542224342200
64210355221
71042555162
oct247614175
9101673434
1043980925
112290a57a
121288bb11
13915b821
145bac069
153cdb5ba
hex29f187d

43980925 has 12 divisors (see below), whose sum is σ = 54856980. Its totient is φ = 34977920.

The previous prime is 43980917. The next prime is 43980929. The reversal of 43980925 is 52908934.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5503716 + 38477209 = 2346^2 + 6203^2 .

It is not a de Polignac number, because 43980925 - 23 = 43980917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43980929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760 + ... + 9409.

It is an arithmetic number, because the mean of its divisors is an integer number (4571415).

Almost surely, 243980925 is an apocalyptic number.

It is an amenable number.

43980925 is a deficient number, since it is larger than the sum of its proper divisors (10876055).

43980925 is a wasteful number, since it uses less digits than its factorization.

43980925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 43980925 is about 6631.8115926193. The cubic root of 43980925 is about 352.9838099506.

The spelling of 43980925 in words is "forty-three million, nine hundred eighty thousand, nine hundred twenty-five".

Divisors: 1 5 25 173 865 4325 10169 50845 254225 1759237 8796185 43980925