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196131507 = 31113457183
BaseRepresentation
bin10111011000010…
…11101010110011
3111200001111211220
423230023222303
5400202202012
631243440123
74601042655
oct1354135263
9450044756
10196131507
11a0790560
1255826043
1331831560
141c0966d5
151234308c
hexbb0bab3

196131507 has 16 divisors (see below), whose sum is σ = 307227648. Its totient is φ = 109723680.

The previous prime is 196131493. The next prime is 196131527. The reversal of 196131507 is 705131691.

It is a happy number.

It is not a de Polignac number, because 196131507 - 28 = 196131251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (196131527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228163 + ... + 229020.

It is an arithmetic number, because the mean of its divisors is an integer number (19201728).

Almost surely, 2196131507 is an apocalyptic number.

196131507 is a deficient number, since it is larger than the sum of its proper divisors (111096141).

196131507 is a wasteful number, since it uses less digits than its factorization.

196131507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457210.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 196131507 is about 14004.6958910217. The cubic root of 196131507 is about 581.0084585949.

The spelling of 196131507 in words is "one hundred ninety-six million, one hundred thirty-one thousand, five hundred seven".

Divisors: 1 3 11 13 33 39 143 429 457183 1371549 5029013 5943379 15087039 17830137 65377169 196131507