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49690012 = 2223951977
BaseRepresentation
bin1011110110001…
…1010110011100
310110111111212211
42331203112130
5100210040022
64533010204
71142233561
oct275432634
9113444784
1049690012
1126059929
1214783964
13a3aa298
146856868
154567e77
hex2f6359c

49690012 has 12 divisors (see below), whose sum is σ = 87323040. Its totient is φ = 24740576.

The previous prime is 49690009. The next prime is 49690013. The reversal of 49690012 is 21009694.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25033 + ... + 26944.

It is an arithmetic number, because the mean of its divisors is an integer number (7276920).

Almost surely, 249690012 is an apocalyptic number.

It is an amenable number.

49690012 is a deficient number, since it is larger than the sum of its proper divisors (37633028).

49690012 is a wasteful number, since it uses less digits than its factorization.

49690012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52220 (or 52218 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49690012 is about 7049.1142706017. The cubic root of 49690012 is about 367.6402340159.

The spelling of 49690012 in words is "forty-nine million, six hundred ninety thousand, twelve".

Divisors: 1 2 4 239 478 956 51977 103954 207908 12422503 24845006 49690012