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197730152 = 23311495351
BaseRepresentation
bin10111100100100…
…01111101101000
3111210001201202222
423302101331220
5401104331102
631342013212
74620451514
oct1362217550
9453051688
10197730152
11a1682654
1256277208
1331c710b9
141c391144
151255baa2
hexbc91f68

197730152 has 32 divisors (see below), whose sum is σ = 385344000. Its totient is φ = 95016000.

The previous prime is 197730139. The next prime is 197730157. The reversal of 197730152 is 251037791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197730157) 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, 34277 + ... + 39627.

It is an arithmetic number, because the mean of its divisors is an integer number (12042000).

Almost surely, 2197730152 is an apocalyptic number.

It is an amenable number.

197730152 is a deficient number, since it is larger than the sum of its proper divisors (187613848).

197730152 is a wasteful number, since it uses less digits than its factorization.

197730152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 197730152 is about 14061.6553790797. The cubic root of 197730152 is about 582.5827663343.

The spelling of 197730152 in words is "one hundred ninety-seven million, seven hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 31 62 124 149 248 298 596 1192 4619 5351 9238 10702 18476 21404 36952 42808 165881 331762 663524 797299 1327048 1594598 3189196 6378392 24716269 49432538 98865076 197730152