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258672048 = 24359241379
BaseRepresentation
bin11110110101100…
…00010110110000
3200000201220100020
433122300112300
51012210001143
641400123440
76260450625
oct1732602660
9600656306
10258672048
11123017158
1272766580
134178a9ab
14264d634c
1517a98883
hexf6b05b0

258672048 has 80 divisors (see below), whose sum is σ = 684182400. Its totient is φ = 84188160.

The previous prime is 258672031. The next prime is 258672049. The reversal of 258672048 is 840276852.

It is a happy number.

258672048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2586720482 = 133822456833028608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258672049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682323 + ... + 682701.

It is an arithmetic number, because the mean of its divisors is an integer number (8552280).

Almost surely, 2258672048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258672048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342091200).

258672048 is an abundant number, since it is smaller than the sum of its proper divisors (425510352).

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

258672048 is a wasteful number, since it uses less digits than its factorization.

258672048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 258672048 is about 16083.2847391321. The cubic root of 258672048 is about 637.1619516469.

The spelling of 258672048 in words is "two hundred fifty-eight million, six hundred seventy-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 59 118 177 236 241 354 379 472 482 708 723 758 944 964 1137 1416 1446 1516 1928 2274 2832 2892 3032 3856 4548 5784 6064 9096 11568 14219 18192 22361 28438 42657 44722 56876 67083 85314 89444 91339 113752 134166 170628 178888 182678 227504 268332 274017 341256 357776 365356 536664 548034 682512 730712 1073328 1096068 1461424 2192136 4384272 5389001 10778002 16167003 21556004 32334006 43112008 64668012 86224016 129336024 258672048