Search a number
-
+
98144928 = 2532789547
BaseRepresentation
bin1011101100110…
…01001010100000
320211200021112100
411312121022200
5200111114203
613423330400
72301134550
oct566311240
9224607470
1098144928
1150444812
1228a50a00
131744432b
14d06b160
158939ea3
hex5d992a0

98144928 has 144 divisors (see below), whose sum is σ = 323144640. Its totient is φ = 27675648.

The previous prime is 98144911. The next prime is 98144929. The reversal of 98144928 is 82944189.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (165888) is a multiple of the sum of its prime divisors (648).

It is not an unprimeable number, because it can be changed into a prime (98144929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179151 + ... + 179697.

It is an arithmetic number, because the mean of its divisors is an integer number (2244060).

Almost surely, 298144928 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 98144928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161572320).

98144928 is an abundant number, since it is smaller than the sum of its proper divisors (224999712).

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

98144928 is a wasteful number, since it uses less digits than its factorization.

98144928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 648 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 98144928 is about 9906.8122017125. The cubic root of 98144928 is about 461.2707898180.

The spelling of 98144928 in words is "ninety-eight million, one hundred forty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 89 96 112 126 144 168 178 224 252 267 288 336 356 504 534 547 623 672 712 801 1008 1068 1094 1246 1424 1602 1641 1869 2016 2136 2188 2492 2848 3204 3282 3738 3829 4272 4376 4923 4984 5607 6408 6564 7476 7658 8544 8752 9846 9968 11214 11487 12816 13128 14952 15316 17504 19692 19936 22428 22974 25632 26256 29904 30632 34461 39384 44856 45948 48683 52512 59808 61264 68922 78768 89712 91896 97366 122528 137844 146049 157536 179424 183792 194732 275688 292098 340781 367584 389464 438147 551376 584196 681562 778928 876294 1022343 1102752 1168392 1363124 1557856 1752588 2044686 2336784 2726248 3067029 3505176 4089372 4673568 5452496 6134058 7010352 8178744 10904992 12268116 14020704 16357488 24536232 32714976 49072464 98144928