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149854800 = 24352472657
BaseRepresentation
bin10001110111010…
…01101001010000
3101102222102010210
420323221221100
5301330323200
622511524120
73466513314
oct1073515120
9342872123
10149854800
1177653147
1242229640
132507aaa4
1415c8bb44
15d251650
hex8ee9a50

149854800 has 120 divisors (see below), whose sum is σ = 490432896. Its totient is φ = 39096320.

The previous prime is 149854799. The next prime is 149854823. The reversal of 149854800 is 8458941.

149854800 is digitally balanced in base 3, 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 (120).

It is a super-2 number, since 2×1498548002 = 44912922166080000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55072 + ... + 57728.

Almost surely, 2149854800 is an apocalyptic number.

149854800 is a gapful number since it is divisible by the number (10) 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 149854800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245216448).

149854800 is an abundant number, since it is smaller than the sum of its proper divisors (340578096).

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

149854800 is a wasteful number, since it uses less digits than its factorization.

149854800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 149854800 is about 12241.5195135245. The cubic root of 149854800 is about 531.1577869937.

The spelling of 149854800 in words is "one hundred forty-nine million, eight hundred fifty-four thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 47 48 50 60 75 80 94 100 120 141 150 188 200 235 240 282 300 376 400 470 564 600 705 752 940 1128 1175 1200 1410 1880 2256 2350 2657 2820 3525 3760 4700 5314 5640 7050 7971 9400 10628 11280 13285 14100 15942 18800 21256 26570 28200 31884 39855 42512 53140 56400 63768 66425 79710 106280 124879 127536 132850 159420 199275 212560 249758 265700 318840 374637 398550 499516 531400 624395 637680 749274 797100 999032 1062800 1248790 1498548 1594200 1873185 1998064 2497580 2997096 3121975 3188400 3746370 4995160 5994192 6243950 7492740 9365925 9990320 12487900 14985480 18731850 24975800 29970960 37463700 49951600 74927400 149854800