Search a number
-
+
1693052928 = 2123107
BaseRepresentation
bin110010011101001…
…1111000000000000
311100222210000000000
41210322133000000
511431410143203
6440000000000
756645466240
oct14472370000
94328700000
101693052928
117997587a6
123b3000000
1320c9b6488
14120bd7b20
159d9804a3
hex64e9f000

1693052928 has 286 divisors, whose sum is σ = 5804011544. Its totient is φ = 483729408.

The previous prime is 1693052917. The next prime is 1693052929. The reversal of 1693052928 is 8292503961.

1693052928 is a `hidden beast` number, since 16 + 93 + 0 + 529 + 28 = 666.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693052929) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 241864701 + ... + 241864707.

Almost surely, 21693052928 is an apocalyptic number.

1693052928 is a gapful number since it is divisible by the number (18) 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 1693052928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902005772).

1693052928 is an abundant number, since it is smaller than the sum of its proper divisors (4110958616).

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

1693052928 is an frugal number, since it uses more digits than its factorization.

1693052928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1693052928 is about 41146.7243896765. The cubic root of 1693052928 is about 1191.8552441966.

The spelling of 1693052928 in words is "one billion, six hundred ninety-three million, fifty-two thousand, nine hundred twenty-eight".