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1690052000 = 25537134643
BaseRepresentation
bin110010010111100…
…0010010110100000
311100210010112111112
41210233002112200
511430123131000
6435411402452
756611130210
oct14457022640
94323115445
101690052000
11797a9909a
123b1bb3428
1320c1a5590
14120656240
159d58b235
hex64bc25a0

1690052000 has 192 divisors, whose sum is σ = 5111817984. Its totient is φ = 534758400.

The previous prime is 1690051963. The next prime is 1690052057. The reversal of 1690052000 is 2500961.

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 31 ways as a sum of consecutive naturals, for example, 361679 + ... + 366321.

It is an arithmetic number, because the mean of its divisors is an integer number (26624052).

Almost surely, 21690052000 is an apocalyptic number.

1690052000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1690052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555908992).

1690052000 is an abundant number, since it is smaller than the sum of its proper divisors (3421765984).

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

1690052000 is a wasteful number, since it uses less digits than its factorization.

1690052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1690052000 is about 41110.2420328560. The cubic root of 1690052000 is about 1191.1506418755.

Adding to 1690052000 its reverse (2500961), we get a palindrome (1692552961).

The spelling of 1690052000 in words is "one billion, six hundred ninety million, fifty-two thousand".