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1900964485 = 57315473203
BaseRepresentation
bin111000101001110…
…0110101010000101
311220111000000001001
41301103212222011
512343121330420
6512344133301
765051634340
oct16123465205
94814000031
101900964485
11896054832
12450767231
13243ab0874
14140679457
15b1d4db0a
hex714e6a85

1900964485 has 32 divisors (see below), whose sum is σ = 2696896512. Its totient is φ = 1258770240.

The previous prime is 1900964479. The next prime is 1900964489. The reversal of 1900964485 is 5844690091.

It is a happy number.

It is not a de Polignac number, because 1900964485 - 23 = 1900964477 is a prime.

It is a super-2 number, since 2×19009644852 = 7227331946462630450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900964489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591894 + ... + 595096.

It is an arithmetic number, because the mean of its divisors is an integer number (84278016).

Almost surely, 21900964485 is an apocalyptic number.

It is an amenable number.

1900964485 is a deficient number, since it is larger than the sum of its proper divisors (795932027).

1900964485 is a wasteful number, since it uses less digits than its factorization.

1900964485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1900964485 is about 43600.0514334559. The cubic root of 1900964485 is about 1238.7718687028.

The spelling of 1900964485 in words is "one billion, nine hundred million, nine hundred sixty-four thousand, four hundred eighty-five".

Divisors: 1 5 7 31 35 155 217 547 1085 2735 3203 3829 16015 16957 19145 22421 84785 99293 112105 118699 496465 593495 695051 1752041 3475255 8760205 12264287 54313271 61321435 271566355 380192897 1900964485