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49997925 = 335274071
BaseRepresentation
bin1011111010111…
…0100001100101
310111002011021000
42332232201211
5100244413200
64543343513
71144655355
oct276564145
9114064230
1049997925
112624a1aa
12148b1b99
13a487493
1468d6b65
1545c9300
hex2fae865

49997925 has 24 divisors (see below), whose sum is σ = 91849280. Its totient is φ = 26665200.

The previous prime is 49997903. The next prime is 49997933. The reversal of 49997925 is 52979994.

It is not a de Polignac number, because 49997925 - 213 = 49989733 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, 36361 + ... + 37710.

Almost surely, 249997925 is an apocalyptic number.

49997925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49997925 is a deficient number, since it is larger than the sum of its proper divisors (41851355).

49997925 is a wasteful number, since it uses less digits than its factorization.

49997925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74090 (or 74079 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 49997925 is about 7070.9210856861. The cubic root of 49997925 is about 368.3980535500.

The spelling of 49997925 in words is "forty-nine million, nine hundred ninety-seven thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 74071 222213 370355 666639 1111065 1851775 1999917 3333195 5555325 9999585 16665975 49997925