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1272096490 = 257109166723
BaseRepresentation
bin100101111010010…
…1010011011101010
310021122200012022211
41023310222123222
510101124041430
6330121235334
743344433060
oct11364523352
93248605284
101272096490
115a3079a15
122b6032b4a
13173718322
14c0d3a030
1576a2c72a
hex4bd2a6ea

1272096490 has 32 divisors (see below), whose sum is σ = 2640908160. Its totient is φ = 432143424.

The previous prime is 1272096461. The next prime is 1272096503. The reversal of 1272096490 is 946902721.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 75732 + ... + 90991.

It is an arithmetic number, because the mean of its divisors is an integer number (82528380).

Almost surely, 21272096490 is an apocalyptic number.

1272096490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272096490 is an abundant number, since it is smaller than the sum of its proper divisors (1368811670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272096490 is a wasteful number, since it uses less digits than its factorization.

1272096490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166846.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1272096490 is about 35666.4616972304. The cubic root of 1272096490 is about 1083.5276993007.

The spelling of 1272096490 in words is "one billion, two hundred seventy-two million, ninety-six thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 109 218 545 763 1090 1526 3815 7630 166723 333446 833615 1167061 1667230 2334122 5835305 11670610 18172807 36345614 90864035 127209649 181728070 254419298 636048245 1272096490