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49686969 = 323720101
BaseRepresentation
bin1011110110001…
…0100110111001
310110111100201010
42331202212321
5100204440334
64532544133
71142221653
oct275424671
9113440633
1049686969
1126057612
1214782049
13a3a8a97
1468556d3
1545670e9
hex2f629b9

49686969 has 8 divisors (see below), whose sum is σ = 69129792. Its totient is φ = 31684400.

The previous prime is 49686961. The next prime is 49686977. The reversal of 49686969 is 96968694.

It is an interprime number because it is at equal distance from previous prime (49686961) and next prime (49686977).

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 49686969 - 23 = 49686961 is a prime.

It is a super-2 number, since 2×496869692 = 4937589776813922, which contains 22 as substring.

49686969 is a modest number, since divided by 6969 gives 4968 as remainder.

It is not an unprimeable number, because it can be changed into a prime (49686961) 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, 359982 + ... + 360119.

It is an arithmetic number, because the mean of its divisors is an integer number (8641224).

Almost surely, 249686969 is an apocalyptic number.

It is an amenable number.

49686969 is a deficient number, since it is larger than the sum of its proper divisors (19442823).

49686969 is a wasteful number, since it uses less digits than its factorization.

49686969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720127.

The product of its digits is 5038848, while the sum is 57.

The square root of 49686969 is about 7048.8984245767. The cubic root of 49686969 is about 367.6327291404.

The spelling of 49686969 in words is "forty-nine million, six hundred eighty-six thousand, nine hundred sixty-nine".

Divisors: 1 3 23 69 720101 2160303 16562323 49686969