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3250243661 = 72251206273
BaseRepresentation
bin1100000110111010…
…1100100001001101
322101111220111002212
43001232230201031
523124030244121
61254304000205
7143354421020
oct30156544115
98344814085
103250243661
111418750195
12768600065
133ca4b0b02
1422b9471b7
1514052525b
hexc1bac84d

3250243661 has 8 divisors (see below), whose sum is σ = 3716232384. Its totient is φ = 2784672000.

The previous prime is 3250243621. The next prime is 3250243741. The reversal of 3250243661 is 1663420523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3250243661 - 210 = 3250242637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250243621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87380 + ... + 118893.

It is an arithmetic number, because the mean of its divisors is an integer number (464529048).

Almost surely, 23250243661 is an apocalyptic number.

It is an amenable number.

3250243661 is a deficient number, since it is larger than the sum of its proper divisors (465988723).

3250243661 is a wasteful number, since it uses less digits than its factorization.

3250243661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208531.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3250243661 is about 57010.9082632438. The cubic root of 3250243661 is about 1481.2850509583.

The spelling of 3250243661 in words is "three billion, two hundred fifty million, two hundred forty-three thousand, six hundred sixty-one".

Divisors: 1 7 2251 15757 206273 1443911 464320523 3250243661