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16740125 = 53157853
BaseRepresentation
bin111111110110…
…111100011101
31011111111010122
4333312330131
513241141000
61354444325
7262201013
oct77667435
934444118
1016740125
1194a4116
1257336a5
1336116cc
14231a8b3
15170a085
hexff6f1d

16740125 has 16 divisors (see below), whose sum is σ = 21049392. Its totient is φ = 13291200.

The previous prime is 16740109. The next prime is 16740127. The reversal of 16740125 is 52104761.

16740125 = T91 + T92 + ... + T465.

16740125 = 1242 + 1252 + ... + 3732.

It can be written as a sum of positive squares in 8 ways, for example, as 11600836 + 5139289 = 3406^2 + 2267^2 .

It is not a de Polignac number, because 16740125 - 24 = 16740109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16740094 and 16740103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16740127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19199 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (1315587).

Almost surely, 216740125 is an apocalyptic number.

It is an amenable number.

16740125 is a deficient number, since it is larger than the sum of its proper divisors (4309267).

16740125 is an equidigital number, since it uses as much as digits as its factorization.

16740125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 16740125 is about 4091.4697848084. The cubic root of 16740125 is about 255.8112062217.

Adding to 16740125 its reverse (52104761), we get a palindrome (68844886).

The spelling of 16740125 in words is "sixteen million, seven hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 157 785 853 3925 4265 19625 21325 106625 133921 669605 3348025 16740125