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742025 = 5267443
BaseRepresentation
bin10110101001010001001
31101200212102
42311022021
5142221100
623523145
76210224
oct2651211
91350772
10742025
11467549
122b94b5
131cc98b
141545bb
15e9cd5
hexb5289

742025 has 12 divisors (see below), whose sum is σ = 935952. Its totient is φ = 583440.

The previous prime is 742009. The next prime is 742031. The reversal of 742025 is 520247.

It is not a de Polignac number, because 742025 - 24 = 742009 is a prime.

It is a super-2 number, since 2×7420252 = 1101202201250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 741988 and 742006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1454 + ... + 1896.

It is an arithmetic number, because the mean of its divisors is an integer number (77996).

2742025 is an apocalyptic number.

It is an amenable number.

742025 is a deficient number, since it is larger than the sum of its proper divisors (193927).

742025 is a wasteful number, since it uses less digits than its factorization.

742025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 742025 is about 861.4087299302. The cubic root of 742025 is about 90.5328472689.

The spelling of 742025 in words is "seven hundred forty-two thousand, twenty-five".

Divisors: 1 5 25 67 335 443 1675 2215 11075 29681 148405 742025