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258748484 = 2264687121
BaseRepresentation
bin11110110110000…
…11000001000100
3200000212210012012
433123003001010
51012214422414
641401513352
76261216521
oct1733030104
9600783165
10258748484
11123069625
12727a2858
13417b6717
1426516148
1517ab133e
hexf6c3044

258748484 has 6 divisors (see below), whose sum is σ = 452809854. Its totient is φ = 129374240.

The previous prime is 258748471. The next prime is 258748487. The reversal of 258748484 is 484847852.

It can be written as a sum of positive squares in only one way, i.e., 229825600 + 28922884 = 15160^2 + 5378^2 .

It is not an unprimeable number, because it can be changed into a prime (258748487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32343557 + ... + 32343564.

It is an arithmetic number, because the mean of its divisors is an integer number (75468309).

Almost surely, 2258748484 is an apocalyptic number.

It is an amenable number.

258748484 is a deficient number, since it is larger than the sum of its proper divisors (194061370).

258748484 is a wasteful number, since it uses less digits than its factorization.

258748484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64687125 (or 64687123 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 50.

The square root of 258748484 is about 16085.6608195001. The cubic root of 258748484 is about 637.2247046128.

The spelling of 258748484 in words is "two hundred fifty-eight million, seven hundred forty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 64687121 129374242 258748484