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141697205 = 5132612749
BaseRepresentation
bin10000111001000…
…10000010110101
3100212121222000122
420130202002311
5242233302310
622021021325
73340256246
oct1034420265
9325558018
10141697205
1172a91231
123b554845
1323482a00
1414b66ccd
15c68e555
hex87220b5

141697205 has 24 divisors (see below), whose sum is σ = 187209000. Its totient is φ = 102885120.

The previous prime is 141697183. The next prime is 141697217. The reversal of 141697205 is 502796141.

It can be written as a sum of positive squares in 12 ways, for example, as 136212241 + 5484964 = 11671^2 + 2342^2 .

It is not a de Polignac number, because 141697205 - 28 = 141696949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50171 + ... + 52919.

It is an arithmetic number, because the mean of its divisors is an integer number (7800375).

Almost surely, 2141697205 is an apocalyptic number.

It is an amenable number.

141697205 is a deficient number, since it is larger than the sum of its proper divisors (45511795).

141697205 is a wasteful number, since it uses less digits than its factorization.

141697205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 141697205 is about 11903.6635117093. The cubic root of 141697205 is about 521.3392561280.

The spelling of 141697205 in words is "one hundred forty-one million, six hundred ninety-seven thousand, two hundred five".

Divisors: 1 5 13 61 65 169 305 793 845 2749 3965 10309 13745 35737 51545 167689 178685 464581 838445 2179957 2322905 10899785 28339441 141697205