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258814080 = 2732573131
BaseRepresentation
bin11110110110100…
…11000010000000
3200001000010011200
433123103002000
51012224022310
641403141200
76261612000
oct1733230200
9601003150
10258814080
11123103938
1272814800
134180a535
1426532000
1517ac59c0
hexf6d3080

258814080 has 384 divisors, whose sum is σ = 1050192000. Its totient is φ = 58705920.

The previous prime is 258814079. The next prime is 258814081. The reversal of 258814080 is 80418852.

It is an interprime number because it is at equal distance from previous prime (258814079) and next prime (258814081).

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258814081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1975615 + ... + 1975745.

It is an arithmetic number, because the mean of its divisors is an integer number (2734875).

Almost surely, 2258814080 is an apocalyptic number.

258814080 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 258814080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525096000).

258814080 is an abundant number, since it is smaller than the sum of its proper divisors (791377920).

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

258814080 is a wasteful number, since it uses less digits than its factorization.

258814080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 258814080 is about 16087.6996491108. The cubic root of 258814080 is about 637.2785482262.

The spelling of 258814080 in words is "two hundred fifty-eight million, eight hundred fourteen thousand, eighty".