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1384743700 = 225213847437
BaseRepresentation
bin101001010001001…
…1000001100010100
310120111122021020201
41102202120030110
510313443244300
6345223510244
746213061434
oct12242301424
93514567221
101384743700
1165071948a
123278b8384
13190b69592
14d1ca02c4
158187e66a
hex52898314

1384743700 has 18 divisors (see below), whose sum is σ = 3004894046. Its totient is φ = 553897440.

The previous prime is 1384743677. The next prime is 1384743709. The reversal of 1384743700 is 73474831.

It can be written as a sum of positive squares in 3 ways, for example, as 358950916 + 1025792784 = 18946^2 + 32028^2 .

It is a super-2 number, since 2×13847437002 = 3835030229379380000, 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 1384743700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384743709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6923619 + ... + 6923818.

Almost surely, 21384743700 is an apocalyptic number.

1384743700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384743700 is an abundant number, since it is smaller than the sum of its proper divisors (1620150346).

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

1384743700 is a wasteful number, since it uses less digits than its factorization.

1384743700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13847451 (or 13847444 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1384743700 is about 37212.1445229914. The cubic root of 1384743700 is about 1114.6105069762.

The spelling of 1384743700 in words is "one billion, three hundred eighty-four million, seven hundred forty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13847437 27694874 55389748 69237185 138474370 276948740 346185925 692371850 1384743700