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1900980304 = 24769154501
BaseRepresentation
bin111000101001110…
…1010100001010000
311220111000210201221
41301103222201100
512343122332204
6512344334424
765052031426
oct16123524120
94814023657
101900980304
11896065703
12450774414
13243ab7b22
14140681116
15b1d53654
hex714ea850

1900980304 has 20 divisors (see below), whose sum is σ = 3687962740. Its totient is φ = 949248000.

The previous prime is 1900980299. The next prime is 1900980311. The reversal of 1900980304 is 4030890091.

It can be written as a sum of positive squares in 2 ways, for example, as 1343075904 + 557904400 = 36648^2 + 23620^2 .

It is a super-2 number, since 2×19009803042 = 7227452232391864832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1900980304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64947 + ... + 89554.

It is an arithmetic number, because the mean of its divisors is an integer number (184398137).

Almost surely, 21900980304 is an apocalyptic number.

It is an amenable number.

1900980304 is a deficient number, since it is larger than the sum of its proper divisors (1786982436).

1900980304 is a wasteful number, since it uses less digits than its factorization.

1900980304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155278 (or 155272 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1900980304 is about 43600.2328434150. The cubic root of 1900980304 is about 1238.7753048669.

The spelling of 1900980304 in words is "one billion, nine hundred million, nine hundred eighty thousand, three hundred four".

Divisors: 1 2 4 8 16 769 1538 3076 6152 12304 154501 309002 618004 1236008 2472016 118811269 237622538 475245076 950490152 1900980304