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164441742 = 2327406957
BaseRepresentation
bin10011100110100…
…10111010001110
3102110102111122220
421303102322032
5314044113432
624152320210
74034505663
oct1163227216
9373374586
10164441742
1184906573
12470a3066
13280b740a
1417ba7a6a
15e68372c
hex9cd2e8e

164441742 has 8 divisors (see below), whose sum is σ = 328883496. Its totient is φ = 54813912.

The previous prime is 164441737. The next prime is 164441747. The reversal of 164441742 is 247144461.

It is an interprime number because it is at equal distance from previous prime (164441737) and next prime (164441747).

It is a sphenic number, since it is the product of 3 distinct primes.

164441742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164441747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13703473 + ... + 13703484.

It is an arithmetic number, because the mean of its divisors is an integer number (41110437).

Almost surely, 2164441742 is an apocalyptic number.

164441742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164441742 is a wasteful number, since it uses less digits than its factorization.

164441742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406962.

The product of its digits is 21504, while the sum is 33.

The square root of 164441742 is about 12823.4840039671. The cubic root of 164441742 is about 547.8613831471.

The spelling of 164441742 in words is "one hundred sixty-four million, four hundred forty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 27406957 54813914 82220871 164441742