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3025641 = 31008547
BaseRepresentation
bin1011100010101011101001
312200201101210
423202223221
51233310031
6144503333
734501053
oct13425351
95621353
103025641
111787233
12101ab49
1381c228
1458a8d3
153eb746
hex2e2ae9

3025641 has 4 divisors (see below), whose sum is σ = 4034192. Its totient is φ = 2017092.

The previous prime is 3025619. The next prime is 3025651. The reversal of 3025641 is 1465203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1465203 = 3488401.

It is not a de Polignac number, because 3025641 - 26 = 3025577 is a prime.

It is a D-number.

It is a Duffinian number.

3025641 is a modest number, since divided by 25641 gives 3 as remainder.

3025641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3025651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504271 + ... + 504276.

It is an arithmetic number, because the mean of its divisors is an integer number (1008548).

Almost surely, 23025641 is an apocalyptic number.

It is an amenable number.

3025641 is a deficient number, since it is larger than the sum of its proper divisors (1008551).

3025641 is a wasteful number, since it uses less digits than its factorization.

3025641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008550.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3025641 is about 1739.4369778753. The cubic root of 3025641 is about 144.6346888152.

The spelling of 3025641 in words is "three million, twenty-five thousand, six hundred forty-one".

Divisors: 1 3 1008547 3025641