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3225305431 = 7514294681
BaseRepresentation
bin1100000000111110…
…0100000101010111
322022202222111021201
43000033210011113
523101134233211
61252013253331
7142632433555
oct30017440527
98282874251
103225305431
111405667787
12760194247
133c528ba6a
142284d4bd5
1513d24b0c1
hexc03e4157

3225305431 has 4 divisors (see below), whose sum is σ = 3229600864. Its totient is φ = 3221010000.

The previous prime is 3225305401. The next prime is 3225305449. The reversal of 3225305431 is 1345035223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3225305431 - 211 = 3225303383 is a prime.

It is a super-2 number, since 2×32253054312 = 20805190246476191522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3225305431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225305401) 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, 2146590 + ... + 2148091.

It is an arithmetic number, because the mean of its divisors is an integer number (807400216).

Almost surely, 23225305431 is an apocalyptic number.

3225305431 is a deficient number, since it is larger than the sum of its proper divisors (4295433).

3225305431 is an equidigital number, since it uses as much as digits as its factorization.

3225305431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295432.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3225305431 is about 56791.7725643425. The cubic root of 3225305431 is about 1477.4868218205.

The spelling of 3225305431 in words is "three billion, two hundred twenty-five million, three hundred five thousand, four hundred thirty-one".

Divisors: 1 751 4294681 3225305431