Search a number
-
+
197134480 = 24512719403
BaseRepresentation
bin10111100000000…
…00100010010000
3111201221110200001
423300000202100
5400431300410
631321135344
74612421044
oct1360004220
9451843601
10197134480
11a1306064
125602a554
1331ac2c2a
141c278024
151249033a
hexbc00890

197134480 has 40 divisors (see below), whose sum is σ = 461970432. Its totient is φ = 78228864.

The previous prime is 197134477. The next prime is 197134501. The reversal of 197134480 is 84431791.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 19861.

Almost surely, 2197134480 is an apocalyptic number.

197134480 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 197134480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230985216).

197134480 is an abundant number, since it is smaller than the sum of its proper divisors (264835952).

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

197134480 is a wasteful number, since it uses less digits than its factorization.

197134480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19543 (or 19537 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 197134480 is about 14040.4586819662. The cubic root of 197134480 is about 581.9971579476.

The spelling of 197134480 in words is "one hundred ninety-seven million, one hundred thirty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 127 254 508 635 1016 1270 2032 2540 5080 10160 19403 38806 77612 97015 155224 194030 310448 388060 776120 1552240 2464181 4928362 9856724 12320905 19713448 24641810 39426896 49283620 98567240 197134480