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258745074 = 2376160597
BaseRepresentation
bin11110110110000…
…10001011110010
3200000212121111220
433123002023302
51012214320244
641401445510
76261203550
oct1733021362
9600777456
10258745074
11123067005
12727a0896
13417b4cc3
1426514bd0
1517ab0319
hexf6c22f2

258745074 has 16 divisors (see below), whose sum is σ = 591417408. Its totient is φ = 73927152.

The previous prime is 258745073. The next prime is 258745079. The reversal of 258745074 is 470547852.

258745074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 6160597 = 258745074 / (2 + 5 + 8 + 7 + 4 + 5 + 0 + 7 + 4).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (258745073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3080257 + ... + 3080340.

It is an arithmetic number, because the mean of its divisors is an integer number (36963588).

Almost surely, 2258745074 is an apocalyptic number.

258745074 is an abundant number, since it is smaller than the sum of its proper divisors (332672334).

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

258745074 is a wasteful number, since it uses less digits than its factorization.

258745074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160609.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 258745074 is about 16085.5548241271. The cubic root of 258745074 is about 637.2219053104.

The spelling of 258745074 in words is "two hundred fifty-eight million, seven hundred forty-five thousand, seventy-four".

Divisors: 1 2 3 6 7 14 21 42 6160597 12321194 18481791 36963582 43124179 86248358 129372537 258745074