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16696480 = 255241433
BaseRepresentation
bin111111101100…
…010010100000
31011102021021011
4333230102200
513233241410
61353510304
7261626533
oct77542240
934367234
1016696480
119474349
125712394
1335c7898
142308a1a
1516ec18a
hexfec4a0

16696480 has 48 divisors (see below), whose sum is σ = 39700584. Its totient is φ = 6635520.

The previous prime is 16696453. The next prime is 16696481. The reversal of 16696480 is 8469661.

16696480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12082576 + 4613904 = 3476^2 + 2148^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16696481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38344 + ... + 38776.

Almost surely, 216696480 is an apocalyptic number.

16696480 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 16696480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19850292).

16696480 is an abundant number, since it is smaller than the sum of its proper divisors (23004104).

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

16696480 is a wasteful number, since it uses less digits than its factorization.

16696480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 16696480 is about 4086.1326459135. The cubic root of 16696480 is about 255.5886949953.

The spelling of 16696480 in words is "sixteen million, six hundred ninety-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 241 433 482 866 964 1205 1732 1928 2165 2410 3464 3856 4330 4820 6928 7712 8660 9640 13856 17320 19280 34640 38560 69280 104353 208706 417412 521765 834824 1043530 1669648 2087060 3339296 4174120 8348240 16696480