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163091314 = 281545657
BaseRepresentation
bin10011011100010…
…01001101110010
3102100212220020001
421232021031302
5313222410224
624103340214
74020152611
oct1156111562
9370786201
10163091314
1184073a11
124675166a
1327a33849
1417935878
15e4b8544
hex9b89372

163091314 has 4 divisors (see below), whose sum is σ = 244636974. Its totient is φ = 81545656.

The previous prime is 163091311. The next prime is 163091329. The reversal of 163091314 is 413190361.

163091314 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.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 5212089 = 12565^2 + 2283^2 .

It is not an unprimeable number, because it can be changed into a prime (163091311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40772827 + ... + 40772830.

Almost surely, 2163091314 is an apocalyptic number.

163091314 is a deficient number, since it is larger than the sum of its proper divisors (81545660).

163091314 is an equidigital number, since it uses as much as digits as its factorization.

163091314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81545659.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 163091314 is about 12770.7209663355. The cubic root of 163091314 is about 546.3575437709.

The spelling of 163091314 in words is "one hundred sixty-three million, ninety-one thousand, three hundred fourteen".

Divisors: 1 2 81545657 163091314