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89989152 = 25311261127
BaseRepresentation
bin1010101110100…
…10000000100000
320021022220220120
411113102000200
5141014123102
612532440240
72141616021
oct527220040
9207286816
1089989152
1146884200
1226179080
131584a026
14bd46c48
157d786bc
hex55d2020

89989152 has 144 divisors (see below), whose sum is σ = 265982976. Its totient is φ = 26611200.

The previous prime is 89989147. The next prime is 89989157. The reversal of 89989152 is 25198998.

It is an interprime number because it is at equal distance from previous prime (89989147) and next prime (89989157).

It is a junction number, because it is equal to n+sod(n) for n = 89989095 and 89989104.

It is not an unprimeable number, because it can be changed into a prime (89989157) 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, 708513 + ... + 708639.

It is an arithmetic number, because the mean of its divisors is an integer number (1847104).

Almost surely, 289989152 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 89989152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132991488).

89989152 is an abundant number, since it is smaller than the sum of its proper divisors (175993824).

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

89989152 is a wasteful number, since it uses less digits than its factorization.

89989152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 204 counting only the distinct ones).

The product of its digits is 466560, while the sum is 51.

The square root of 89989152 is about 9486.2612234747. The cubic root of 89989152 is about 448.1224686439.

The spelling of 89989152 in words is "eighty-nine million, nine hundred eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 61 66 88 96 121 122 127 132 176 183 242 244 254 264 352 363 366 381 484 488 508 528 671 726 732 762 968 976 1016 1056 1342 1397 1452 1464 1524 1936 1952 2013 2032 2684 2794 2904 2928 3048 3872 4026 4064 4191 5368 5588 5808 5856 6096 7381 7747 8052 8382 10736 11176 11616 12192 14762 15367 15494 16104 16764 21472 22143 22352 23241 29524 30734 30988 32208 33528 44286 44704 46101 46482 59048 61468 61976 64416 67056 85217 88572 92202 92964 118096 122936 123952 134112 170434 177144 184404 185928 236192 245872 247904 255651 340868 354288 368808 371856 491744 511302 681736 708576 737616 743712 937387 1022604 1363472 1475232 1874774 2045208 2726944 2812161 3749548 4090416 5624322 7499096 8180832 11248644 14998192 22497288 29996384 44994576 89989152