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161058093 = 3712236271
BaseRepresentation
bin10011001100110…
…00110100101101
3102020001121011120
421212120310231
5312212324333
623552011153
73663654060
oct1146306455
9366047146
10161058093
1182a05369
1245b30ab9
13274a1261
14175668d7
15e215db3
hex9998d2d

161058093 has 16 divisors (see below), whose sum is σ = 245661696. Its totient is φ = 91943280.

The previous prime is 161058071. The next prime is 161058137. The reversal of 161058093 is 390850161.

161058093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161058093 - 28 = 161057837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161058013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22548 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (15353856).

Almost surely, 2161058093 is an apocalyptic number.

It is an amenable number.

161058093 is a deficient number, since it is larger than the sum of its proper divisors (84603603).

161058093 is a wasteful number, since it uses less digits than its factorization.

161058093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 161058093 is about 12690.8665188788. The cubic root of 161058093 is about 544.0776059356.

The spelling of 161058093 in words is "one hundred sixty-one million, fifty-eight thousand, ninety-three".

Divisors: 1 3 7 21 1223 3669 6271 8561 18813 25683 43897 131691 7669433 23008299 53686031 161058093