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3053172640 = 255731471871
BaseRepresentation
bin1011010111111011…
…1011011110100000
321212210002020111011
42311332323132200
522223103011030
61222544030304
7135442352650
oct26576733640
97783066434
103053172640
111327488881
12712602394
13398710a3b
1420d6c8360
1512d098b2a
hexb5fbb7a0

3053172640 has 192 divisors, whose sum is σ = 8695185408. Its totient is φ = 990950400.

The previous prime is 3053172637. The next prime is 3053172649. The reversal of 3053172640 is 462713503.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (3053172649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630905 + ... + 1632775.

It is an arithmetic number, because the mean of its divisors is an integer number (45287424).

Almost surely, 23053172640 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 3053172640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4347592704).

3053172640 is an abundant number, since it is smaller than the sum of its proper divisors (5642012768).

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

3053172640 is a wasteful number, since it uses less digits than its factorization.

3053172640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3053172640 is about 55255.5213530738. The cubic root of 3053172640 is about 1450.7206310949.

The spelling of 3053172640 in words is "three billion, fifty-three million, one hundred seventy-two thousand, six hundred forty".