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3047253440 = 2657111923283
BaseRepresentation
bin1011010110100001…
…0110010111000000
321212100221111212112
42311220112113000
522220044102230
61222213114452
7135341140550
oct26550262700
97770844775
103047253440
111324105680
12710628a28
1339741a75a
1420c9c7160
1512c7c9d95
hexb5a165c0

3047253440 has 448 divisors, whose sum is σ = 9972080640. Its totient is φ = 857640960.

The previous prime is 3047253431. The next prime is 3047253457. The reversal of 3047253440 is 443527403.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3047253397 and 3047253406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10767539 + ... + 10767821.

Almost surely, 23047253440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3047253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4986040320).

3047253440 is an abundant number, since it is smaller than the sum of its proper divisors (6924827200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3047253440 is a wasteful number, since it uses less digits than its factorization.

3047253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 3047253440 is about 55201.9332994778. The cubic root of 3047253440 is about 1449.7825183136.

The spelling of 3047253440 in words is "three billion, forty-seven million, two hundred fifty-three thousand, four hundred forty".