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49317869 = 311938243
BaseRepresentation
bin1011110000100…
…0011111101101
310102210121101202
42330020133231
5100111132434
64521015245
71136123606
oct274103755
9112717352
1049317869
1125925277
1214624525
13a2a9a93
14679adad
1544e2a7e
hex2f087ed

49317869 has 8 divisors (see below), whose sum is σ = 51178752. Its totient is φ = 47473920.

The previous prime is 49317857. The next prime is 49317881. The reversal of 49317869 is 96871394.

It is an interprime number because it is at equal distance from previous prime (49317857) and next prime (49317881).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49317869 - 220 = 48269293 is a prime.

It is a super-3 number, since 3×493178693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49317469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 10104.

It is an arithmetic number, because the mean of its divisors is an integer number (6397344).

Almost surely, 249317869 is an apocalyptic number.

It is an amenable number.

49317869 is a deficient number, since it is larger than the sum of its proper divisors (1860883).

49317869 is a wasteful number, since it uses less digits than its factorization.

49317869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467.

The product of its digits is 326592, while the sum is 47.

The square root of 49317869 is about 7022.6682251122. The cubic root of 49317869 is about 366.7201449087.

The spelling of 49317869 in words is "forty-nine million, three hundred seventeen thousand, eight hundred sixty-nine".

Divisors: 1 31 193 5983 8243 255533 1590899 49317869