Search a number
-
+
97660800 = 2732523391
BaseRepresentation
bin1011101001000…
…10111110000000
320210202200102200
411310202332000
5200000121200
613405113200
72264050236
oct564427600
9223680380
1097660800
1150144006
1228858800
1317304b73
14cd82956
158891800
hex5d22f80

97660800 has 144 divisors (see below), whose sum is σ = 348578880. Its totient is φ = 26035200.

The previous prime is 97660799. The next prime is 97660807. The reversal of 97660800 is 806679.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97660807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27105 + ... + 30495.

Almost surely, 297660800 is an apocalyptic number.

97660800 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 97660800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174289440).

97660800 is an abundant number, since it is smaller than the sum of its proper divisors (250918080).

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

97660800 is a wasteful number, since it uses less digits than its factorization.

97660800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 97660800 is about 9882.3478991584. The cubic root of 97660800 is about 460.5110891521.

It can be divided in two parts, 976 and 60800, that added together give a triangular number (61776 = T351).

The spelling of 97660800 in words is "ninety-seven million, six hundred sixty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 288 300 320 360 384 400 450 480 576 600 640 720 800 900 960 1152 1200 1440 1600 1800 1920 2400 2880 3200 3391 3600 4800 5760 6782 7200 9600 10173 13564 14400 16955 20346 27128 28800 30519 33910 40692 50865 54256 61038 67820 81384 84775 101730 108512 122076 135640 152595 162768 169550 203460 217024 244152 254325 271280 305190 325536 339100 406920 434048 488304 508650 542560 610380 651072 678200 762975 813840 976608 1017300 1085120 1220760 1302144 1356400 1525950 1627680 1953216 2034600 2170240 2441520 2712800 3051900 3255360 3906432 4069200 4883040 5425600 6103800 6510720 8138400 9766080 10851200 12207600 16276800 19532160 24415200 32553600 48830400 97660800