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49371491 = 132389751
BaseRepresentation
bin1011110001010…
…1100101100011
310102220022221202
42330111211203
5100114341431
64522111415
71136436131
oct274254543
9112808852
1049371491
1125961594
121464b56b
13a2c8300
1467b2751
1545038cb
hex2f15963

49371491 has 12 divisors (see below), whose sum is σ = 53670240. Its totient is φ = 45396000.

The previous prime is 49371463. The next prime is 49371529. The reversal of 49371491 is 19417394.

It is not a de Polignac number, because 49371491 - 210 = 49370467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49371391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65366 + ... + 66116.

It is an arithmetic number, because the mean of its divisors is an integer number (4472520).

Almost surely, 249371491 is an apocalyptic number.

49371491 is a deficient number, since it is larger than the sum of its proper divisors (4298749).

49371491 is a wasteful number, since it uses less digits than its factorization.

49371491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1153 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 49371491 is about 7026.4849676065. The cubic root of 49371491 is about 366.8530051039.

The spelling of 49371491 in words is "forty-nine million, three hundred seventy-one thousand, four hundred ninety-one".

Divisors: 1 13 169 389 751 5057 9763 65741 126919 292139 3797807 49371491