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1049505457 = 711137114767
BaseRepresentation
bin111110100011100…
…010111010110001
32201010211101211111
4332203202322301
54122133133312
6252050313321
735002435450
oct7643427261
92633741744
101049505457
11499466a90
12253588841
13139581460
149d556b97
156220e8a7
hex3e8e2eb1

1049505457 has 32 divisors (see below), whose sum is σ = 1429069824. Its totient is φ = 744206400.

The previous prime is 1049505361. The next prime is 1049505469. The reversal of 1049505457 is 7545059401.

It is not a de Polignac number, because 1049505457 - 219 = 1048981169 is a prime.

It is a super-2 number, since 2×10495054572 = 2202923408545557698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049505497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63688 + ... + 78454.

It is an arithmetic number, because the mean of its divisors is an integer number (44658432).

Almost surely, 21049505457 is an apocalyptic number.

It is an amenable number.

1049505457 is a deficient number, since it is larger than the sum of its proper divisors (379564367).

1049505457 is a wasteful number, since it uses less digits than its factorization.

1049505457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1049505457 is about 32396.0716291343. The cubic root of 1049505457 is about 1016.2367597865.

The spelling of 1049505457 in words is "one billion, forty-nine million, five hundred five thousand, four hundred fifty-seven".

Divisors: 1 7 11 13 71 77 91 143 497 781 923 1001 5467 6461 10153 14767 71071 103369 162437 191971 1048457 1137059 1343797 2111681 7339199 11533027 13629941 14781767 80731189 95409587 149929351 1049505457