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3025645 = 57137631
BaseRepresentation
bin1011100010101011101101
312200201101221
423202223231
51233310040
6144503341
734501060
oct13425355
95621357
103025645
111787237
12101ab51
1381c22c
1458a8d7
153eb74a
hex2e2aed

3025645 has 16 divisors (see below), whose sum is σ = 4186368. Its totient is φ = 2056320.

The previous prime is 3025619. The next prime is 3025651. The reversal of 3025645 is 5465203.

It is not a de Polignac number, because 3025645 - 219 = 2501357 is a prime.

It is a super-3 number, since 3×30256453 = 83095052580210633375, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (261648).

Almost surely, 23025645 is an apocalyptic number.

3025645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3025645 is a deficient number, since it is larger than the sum of its proper divisors (1160723).

3025645 is a wasteful number, since it uses less digits than its factorization.

3025645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3025645 is about 1739.4381276723. The cubic root of 3025645 is about 144.6347525525.

The spelling of 3025645 in words is "three million, twenty-five thousand, six hundred forty-five".

Divisors: 1 5 7 35 137 631 685 959 3155 4417 4795 22085 86447 432235 605129 3025645