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169230341 = 7293722531
BaseRepresentation
bin10100001011001…
…00000000000101
3102210102210101102
422011210000011
5321310332331
624443105445
74123301630
oct1205440005
9383383342
10169230341
1187587295
1248812285
13290a2bc7
1418692c17
15eccc4cb
hexa164005

169230341 has 16 divisors (see below), whose sum is σ = 205491840. Its totient is φ = 136261440.

The previous prime is 169230317. The next prime is 169230353. The reversal of 169230341 is 143032961.

It is a de Polignac number, because none of the positive numbers 2k-169230341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169230041) 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, 3755 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (12843240).

Almost surely, 2169230341 is an apocalyptic number.

169230341 is the 7511-st octagonal number.

It is an amenable number.

169230341 is a deficient number, since it is larger than the sum of its proper divisors (36261499).

169230341 is a wasteful number, since it uses less digits than its factorization.

169230341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22604.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 169230341 is about 13008.8562525689. The cubic root of 169230341 is about 553.1285514620.

The spelling of 169230341 in words is "one hundred sixty-nine million, two hundred thirty thousand, three hundred forty-one".

Divisors: 1 7 29 37 203 259 1073 7511 22531 157717 653399 833647 4573793 5835529 24175763 169230341