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40975725 = 352778049
BaseRepresentation
bin1001110001001…
…1110101101101
32212002210010110
42130103311231
540442210400
64022130233
71005200520
oct234236555
985083113
1040975725
112114773a
1211880979
1386489bb
145628bb7
1538e5e50
hex2713d6d

40975725 has 24 divisors (see below), whose sum is σ = 77425600. Its totient is φ = 18731520.

The previous prime is 40975717. The next prime is 40975751. The reversal of 40975725 is 52757904.

It is not a de Polignac number, because 40975725 - 23 = 40975717 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38500 + ... + 39549.

Almost surely, 240975725 is an apocalyptic number.

It is an amenable number.

40975725 is a deficient number, since it is larger than the sum of its proper divisors (36449875).

40975725 is a wasteful number, since it uses less digits than its factorization.

40975725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78069 (or 78064 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 40975725 is about 6401.2283977374. The cubic root of 40975725 is about 344.7536573725.

The spelling of 40975725 in words is "forty million, nine hundred seventy-five thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 78049 234147 390245 546343 1170735 1639029 1951225 2731715 5853675 8195145 13658575 40975725