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169468742 = 284734371
BaseRepresentation
bin10100001100111…
…10001101000110
3102210212220102002
422012132031012
5321340444432
624452145302
74125313652
oct1206361506
9383786362
10169468742
118772a413
1248908232
1329157581
1418715a62
15ed27e62
hexa19e346

169468742 has 4 divisors (see below), whose sum is σ = 254203116. Its totient is φ = 84734370.

The previous prime is 169468729. The next prime is 169468753. The reversal of 169468742 is 247864961.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42367184 + ... + 42367187.

It is an arithmetic number, because the mean of its divisors is an integer number (63550779).

Almost surely, 2169468742 is an apocalyptic number.

169468742 is a deficient number, since it is larger than the sum of its proper divisors (84734374).

169468742 is an equidigital number, since it uses as much as digits as its factorization.

169468742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84734373.

The product of its digits is 580608, while the sum is 47.

The square root of 169468742 is about 13018.0160546836. The cubic root of 169468742 is about 553.3881670954.

The spelling of 169468742 in words is "one hundred sixty-nine million, four hundred sixty-eight thousand, seven hundred forty-two".

Divisors: 1 2 84734371 169468742