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2665475424 = 253417241251
BaseRepresentation
bin1001111011011111…
…1110110101100000
320212202120011220000
42132313332311200
520424330203144
61120254220000
7123024111243
oct23667766540
96782504800
102665475424
111148656157
126247b4600
133362b91c1
141b400725a
15109015769
hex9edfed60

2665475424 has 240 divisors, whose sum is σ = 8367858576. Its totient is φ = 829440000.

The previous prime is 2665475419. The next prime is 2665475447. The reversal of 2665475424 is 4245745662.

2665475424 is a `hidden beast` number, since 2 + 6 + 65 + 47 + 542 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2665475424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10619299 + ... + 10619549.

Almost surely, 22665475424 is an apocalyptic number.

2665475424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665475424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4183929288).

2665475424 is an abundant number, since it is smaller than the sum of its proper divisors (5702383152).

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

2665475424 is a wasteful number, since it uses less digits than its factorization.

2665475424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 514 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The square root of 2665475424 is about 51628.2425034980. The cubic root of 2665475424 is about 1386.5160275628.

The spelling of 2665475424 in words is "two billion, six hundred sixty-five million, four hundred seventy-five thousand, four hundred twenty-four".