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7423725 = 352312103
BaseRepresentation
bin11100010100011011101101
3111222011102210
4130110123231
53400024400
6423041033
7120046341
oct34243355
914864383
107423725
114210611
1225a0179
1316cc04a
14db3621
159b9950
hex7146ed

7423725 has 36 divisors (see below), whose sum is σ = 12805728. Its totient is φ = 3794400.

The previous prime is 7423723. The next prime is 7423727. The reversal of 7423725 is 5273247.

It is an interprime number because it is at equal distance from previous prime (7423723) and next prime (7423727).

It is not a de Polignac number, because 7423725 - 21 = 7423723 is a prime.

It is a super-2 number, since 2×74237252 = 110223385751250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7423692 and 7423701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7423723) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 72024 + ... + 72126.

Almost surely, 27423725 is an apocalyptic number.

7423725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7423725 is a deficient number, since it is larger than the sum of its proper divisors (5382003).

7423725 is a wasteful number, since it uses less digits than its factorization.

7423725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 142 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 7423725 is about 2724.6513538433. The cubic root of 7423725 is about 195.0775496942.

The spelling of 7423725 in words is "seven million, four hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 103 155 309 465 515 775 961 1545 2325 2575 2883 3193 4805 7725 9579 14415 15965 24025 47895 72075 79825 98983 239475 296949 494915 1484745 2474575 7423725