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197125620 = 22353285427
BaseRepresentation
bin10111011111111…
…10010111110100
3111201221000111220
423233332113310
5400431004440
631321030340
74612353156
oct1357762764
9451830456
10197125620
11a12aa43a
12560253b0
1331abbba3
141c274ad6
151248c8d0
hexbbfe5f4

197125620 has 24 divisors (see below), whose sum is σ = 551951904. Its totient is φ = 52566816.

The previous prime is 197125553. The next prime is 197125633. The reversal of 197125620 is 26521791.

It is a congruent number.

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, 1642654 + ... + 1642773.

It is an arithmetic number, because the mean of its divisors is an integer number (22997996).

Almost surely, 2197125620 is an apocalyptic number.

197125620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197125620 is an abundant number, since it is smaller than the sum of its proper divisors (354826284).

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

197125620 is a wasteful number, since it uses less digits than its factorization.

197125620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285439 (or 3285437 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 197125620 is about 14040.1431616633. The cubic root of 197125620 is about 581.9884387354.

The spelling of 197125620 in words is "one hundred ninety-seven million, one hundred twenty-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3285427 6570854 9856281 13141708 16427135 19712562 32854270 39425124 49281405 65708540 98562810 197125620