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1384696900 = 225213846969
BaseRepresentation
bin101001010001000…
…1100110001000100
310120111112220001101
41102202030301010
510313440300100
6345222505444
746212505126
oct12242146104
93514486041
101384696900
11650697304
12327895284
13190b511a2
14d1c8b216
158187086a
hex5288cc44

1384696900 has 18 divisors (see below), whose sum is σ = 3004792490. Its totient is φ = 553878720.

The previous prime is 1384696897. The next prime is 1384696909. The reversal of 1384696900 is 96964831.

It can be written as a sum of positive squares in 3 ways, for example, as 73822464 + 1310874436 = 8592^2 + 36206^2 .

It is a super-2 number, since 2×13846969002 = 3834771009739220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1384696909) 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, 6923385 + ... + 6923584.

Almost surely, 21384696900 is an apocalyptic number.

1384696900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384696900 is an abundant number, since it is smaller than the sum of its proper divisors (1620095590).

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

1384696900 is a wasteful number, since it uses less digits than its factorization.

1384696900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846983 (or 13846976 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1384696900 is about 37211.5156907106. The cubic root of 1384696900 is about 1114.5979500534.

The spelling of 1384696900 in words is "one billion, three hundred eighty-four million, six hundred ninety-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13846969 27693938 55387876 69234845 138469690 276939380 346174225 692348450 1384696900