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258072000 = 2635310753
BaseRepresentation
bin11110110000111…
…01110111000000
3122222121102020020
433120131313000
51012031301000
641335213440
76252401334
oct1730356700
9588542206
10258072000
1112274734a
1272517280
134160a834
14263bb7c4
15179caba0
hexf61ddc0

258072000 has 112 divisors (see below), whose sum is σ = 852232992. Its totient is φ = 68812800.

The previous prime is 258071981. The next prime is 258072043. The reversal of 258072000 is 270852.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18624 + ... + 29376.

Almost surely, 2258072000 is an apocalyptic number.

258072000 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 258072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426116496).

258072000 is an abundant number, since it is smaller than the sum of its proper divisors (594160992).

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

258072000 is a wasteful number, since it uses less digits than its factorization.

258072000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 258072000 is about 16064.6195099666. The cubic root of 258072000 is about 636.6688900385.

The spelling of 258072000 in words is "two hundred fifty-eight million, seventy-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 750 800 960 1000 1200 1500 1600 2000 2400 3000 4000 4800 6000 8000 10753 12000 21506 24000 32259 43012 53765 64518 86024 107530 129036 161295 172048 215060 258072 268825 322590 344096 430120 516144 537650 645180 688192 806475 860240 1032288 1075300 1290360 1344125 1612950 1720480 2064576 2150600 2580720 2688250 3225900 3440960 4032375 4301200 5161440 5376500 6451800 8064750 8602400 10322880 10753000 12903600 16129500 17204800 21506000 25807200 32259000 43012000 51614400 64518000 86024000 129036000 258072000