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16900725 = 352225343
BaseRepresentation
bin100000001111…
…0001001110101
31011210122102210
41000132021311
513311310400
61402124033
7263440152
oct100361165
934718383
1016900725
1195a3846
1257b0619
13366983a
14235d229
15173c950
hex101e275

16900725 has 12 divisors (see below), whose sum is σ = 27942656. Its totient is φ = 9013680.

The previous prime is 16900691. The next prime is 16900739. The reversal of 16900725 is 52700961.

It is not a de Polignac number, because 16900725 - 212 = 16896629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16900692 and 16900701.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 112597 + ... + 112746.

Almost surely, 216900725 is an apocalyptic number.

16900725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16900725 is a deficient number, since it is larger than the sum of its proper divisors (11041931).

16900725 is a wasteful number, since it uses less digits than its factorization.

16900725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225356 (or 225351 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 16900725 is about 4111.0491361695. The cubic root of 16900725 is about 256.6266639930.

The spelling of 16900725 in words is "sixteen million, nine hundred thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 225343 676029 1126715 3380145 5633575 16900725