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297420480 = 26325714753
BaseRepresentation
bin10001101110100…
…100011011000000
3202201122112012100
4101232210123000
51102114423410
645302430400
710241014050
oct2156443300
9681575170
10297420480
11142982455
1283732400
1349806966
142b701560
151b19e8c0
hex11ba46c0

297420480 has 168 divisors, whose sum is σ = 1169224992. Its totient is φ = 67977216.

The previous prime is 297420451. The next prime is 297420511. The reversal of 297420480 is 84024792.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12784 + ... + 27536.

Almost surely, 2297420480 is an apocalyptic number.

297420480 is a gapful number since it is divisible by the number (20) 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 297420480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584612496).

297420480 is an abundant number, since it is smaller than the sum of its proper divisors (871804512).

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

297420480 is a wasteful number, since it uses less digits than its factorization.

297420480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14783 (or 14770 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 297420480 is about 17245.8829869624. The cubic root of 297420480 is about 667.5087403644.

The spelling of 297420480 in words is "two hundred ninety-seven million, four hundred twenty thousand, four hundred eighty".