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49702725 = 3252220901
BaseRepresentation
bin1011110110011…
…0011101000101
310110112011022200
42331212131011
5100210441400
64533145113
71142315622
oct275463505
9113464280
1049702725
1126068436
121478b199
13a3b2cc7
14685b349
15456bb00
hex2f66745

49702725 has 18 divisors (see below), whose sum is σ = 89023506. Its totient is φ = 26508000.

The previous prime is 49702717. The next prime is 49702787. The reversal of 49702725 is 52720794.

It can be written as a sum of positive squares in 3 ways, for example, as 17791524 + 31911201 = 4218^2 + 5649^2 .

It is not a de Polignac number, because 49702725 - 23 = 49702717 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49702725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110226 + ... + 110675.

Almost surely, 249702725 is an apocalyptic number.

49702725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49702725 is a deficient number, since it is larger than the sum of its proper divisors (39320781).

49702725 is a wasteful number, since it uses less digits than its factorization.

49702725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220917 (or 220909 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 49702725 is about 7050.0159574287. The cubic root of 49702725 is about 367.6715844596.

The spelling of 49702725 in words is "forty-nine million, seven hundred two thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 220901 662703 1104505 1988109 3313515 5522525 9940545 16567575 49702725