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160423994 = 280211997
BaseRepresentation
bin10011000111111…
…10000000111010
3102011212101100102
421203332000322
5312032031434
623530235402
73655403303
oct1143760072
9364771312
10160423994
1182611a15
1245885b62
132730b753
141743d7aa
15e13d07e
hex98fe03a

160423994 has 4 divisors (see below), whose sum is σ = 240635994. Its totient is φ = 80211996.

The previous prime is 160423981. The next prime is 160424029. The reversal of 160423994 is 499324061.

160423994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499324061 = 1134418797.

It can be written as a sum of positive squares in only one way, i.e., 91450969 + 68973025 = 9563^2 + 8305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40105997 + ... + 40106000.

Almost surely, 2160423994 is an apocalyptic number.

160423994 is a deficient number, since it is larger than the sum of its proper divisors (80212000).

160423994 is an equidigital number, since it uses as much as digits as its factorization.

160423994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80211999.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 160423994 is about 12665.8593865557. The cubic root of 160423994 is about 543.3626406797.

The spelling of 160423994 in words is "one hundred sixty million, four hundred twenty-three thousand, nine hundred ninety-four".

Divisors: 1 2 80211997 160423994