Search a number
-
+
258470400 = 2935253127
BaseRepresentation
bin11110110011111…
…11001000000000
3200000100122201210
433121333020000
51012132023100
641351530120
76255651006
oct1731771000
9600318653
10258470400
11122999701
1272689940
1341719c86
1426482a76
1517a58c50
hexf67f200

258470400 has 240 divisors, whose sum is σ = 876801024. Its totient is φ = 67092480.

The previous prime is 258470341. The next prime is 258470411. The reversal of 258470400 is 4074852.

258470400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 2035137 + ... + 2035263.

Almost surely, 2258470400 is an apocalyptic number.

258470400 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 258470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438400512).

258470400 is an abundant number, since it is smaller than the sum of its proper divisors (618330624).

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

258470400 is a wasteful number, since it uses less digits than its factorization.

258470400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 258470400 is about 16077.0146482486. The cubic root of 258470400 is about 636.9963419042.

The spelling of 258470400 in words is "two hundred fifty-eight million, four hundred seventy thousand, four hundred".