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1489972701 = 371729712027
BaseRepresentation
bin101100011001111…
…0010110111011101
310211211122110022010
41120303302313131
511022413111301
6403503141433
751631362510
oct13063626735
93754573263
101489972701
116a50615a8
12356ba4879
131a98c1169
14101c52d77
158ac185d6
hex58cf2ddd

1489972701 has 64 divisors (see below), whose sum is σ = 2523156480. Its totient is φ = 762424320.

The previous prime is 1489972669. The next prime is 1489972711. The reversal of 1489972701 is 1072799841.

It is not a de Polignac number, because 1489972701 - 25 = 1489972669 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489972711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 734050 + ... + 736076.

It is an arithmetic number, because the mean of its divisors is an integer number (39424320).

Almost surely, 21489972701 is an apocalyptic number.

It is an amenable number.

1489972701 is a deficient number, since it is larger than the sum of its proper divisors (1033183779).

1489972701 is a wasteful number, since it uses less digits than its factorization.

1489972701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 1489972701 is about 38600.1645203748. The cubic root of 1489972701 is about 1142.1577837612.

The spelling of 1489972701 in words is "one billion, four hundred eighty-nine million, nine hundred seventy-two thousand, seven hundred one".

Divisors: 1 3 7 17 21 29 51 71 87 119 203 213 357 493 497 609 1207 1479 1491 2027 2059 3451 3621 6081 6177 8449 10353 14189 14413 25347 34459 35003 42567 43239 58783 103377 105009 143917 176349 241213 245021 411481 431751 723639 735063 999311 1007419 1234443 2446589 2997933 3022257 4173593 6995177 7339767 12520779 17126123 20985531 29215151 51378369 70951081 87645453 212853243 496657567 1489972701