Search a number
-
+
197070285 = 3513138019
BaseRepresentation
bin10111011111100…
…00110111001101
3111201211012121110
423233300313031
5400422222120
631315522233
74612032636
oct1357606715
9451735543
10197070285
11a1271905
1255bb9379
1331a9c949
141c25c88d
151247b2e0
hexbbf0dcd

197070285 has 8 divisors (see below), whose sum is σ = 315312480. Its totient is φ = 105104144.

The previous prime is 197070281. The next prime is 197070287. The reversal of 197070285 is 582070791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197070285 - 22 = 197070281 is a prime.

It is a super-3 number, since 3×1970702853 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197070281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6568995 + ... + 6569024.

It is an arithmetic number, because the mean of its divisors is an integer number (39414060).

Almost surely, 2197070285 is an apocalyptic number.

197070285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197070285 is a deficient number, since it is larger than the sum of its proper divisors (118242195).

197070285 is a wasteful number, since it uses less digits than its factorization.

197070285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138027.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 197070285 is about 14038.1724237879. The cubic root of 197070285 is about 581.9339771116.

The spelling of 197070285 in words is "one hundred ninety-seven million, seventy thousand, two hundred eighty-five".

Divisors: 1 3 5 15 13138019 39414057 65690095 197070285