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465140197 = 1926719231
BaseRepresentation
bin11011101110010…
…111100111100101
31012102020120101201
4123232113213211
51423033441242
6114053322501
714345424604
oct3356274745
91172216351
10465140197
11219617795
1210b936431
137549b0b2
1445abda3b
152ac7e4b7
hex1bb979e5

465140197 has 12 divisors (see below), whose sum is σ = 498262656. Its totient is φ = 434059560.

The previous prime is 465140191. The next prime is 465140227. The reversal of 465140197 is 791041564.

It is not a de Polignac number, because 465140197 - 215 = 465107429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465140191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14572 + ... + 33802.

It is an arithmetic number, because the mean of its divisors is an integer number (41521888).

Almost surely, 2465140197 is an apocalyptic number.

It is an amenable number.

465140197 is a deficient number, since it is larger than the sum of its proper divisors (33122459).

465140197 is a wasteful number, since it uses less digits than its factorization.

465140197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336 (or 19317 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 465140197 is about 21567.1091479595. The cubic root of 465140197 is about 774.8089418728.

The spelling of 465140197 in words is "four hundred sixty-five million, one hundred forty thousand, one hundred ninety-seven".

Divisors: 1 19 67 361 1273 19231 24187 365389 1288477 6942391 24481063 465140197