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161370214 = 2227355441
BaseRepresentation
bin10011001111001…
…01000001100110
3102020122110022121
421213211001212
5312302321324
624002420154
73666424045
oct1147450146
9366573277
10161370214
11830a8915
124606165a
1327580345
141760855c
15e2785e4
hex99e5066

161370214 has 8 divisors (see below), whose sum is σ = 243122328. Its totient is φ = 80329440.

The previous prime is 161370199. The next prime is 161370217. The reversal of 161370214 is 412073161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161370217) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 177267 + ... + 178174.

It is an arithmetic number, because the mean of its divisors is an integer number (30390291).

Almost surely, 2161370214 is an apocalyptic number.

161370214 is a deficient number, since it is larger than the sum of its proper divisors (81752114).

161370214 is a wasteful number, since it uses less digits than its factorization.

161370214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355670.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 161370214 is about 12703.1576389495. The cubic root of 161370214 is about 544.4288424825.

The spelling of 161370214 in words is "one hundred sixty-one million, three hundred seventy thousand, two hundred fourteen".

Divisors: 1 2 227 454 355441 710882 80685107 161370214