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97984080 = 2434515121
BaseRepresentation
bin1011101011100…
…01111001010000
320211101002220000
411311301321100
5200040442310
613420050000
72266564605
oct565617120
9224332800
1097984080
1150344987
1228993900
13173b905c
14d0286ac
1589074c0
hex5d71e50

97984080 has 100 divisors (see below), whose sum is σ = 340335732. Its totient is φ = 26127360.

The previous prime is 97984067. The next prime is 97984091. The reversal of 97984080 is 8048979.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 70358544 = 5256^2 + 8388^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1081 + ... + 14040.

Almost surely, 297984080 is an apocalyptic number.

97984080 is a gapful number since it is divisible by the number (90) 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 97984080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170167866).

97984080 is an abundant number, since it is smaller than the sum of its proper divisors (242351652).

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

97984080 is a wasteful number, since it uses less digits than its factorization.

97984080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146 (or 15131 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 97984080 is about 9898.6908225280. The cubic root of 97984080 is about 461.0186624982.

The spelling of 97984080 in words is "ninety-seven million, nine hundred eighty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 270 324 360 405 432 540 648 720 810 1080 1296 1620 2160 3240 6480 15121 30242 45363 60484 75605 90726 120968 136089 151210 181452 226815 241936 272178 302420 362904 408267 453630 544356 604840 680445 725808 816534 907260 1088712 1209680 1224801 1360890 1633068 1814520 2041335 2177424 2449602 2721780 3266136 3629040 4082670 4899204 5443560 6124005 6532272 8165340 9798408 10887120 12248010 16330680 19596816 24496020 32661360 48992040 97984080