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161034242 = 2519715493
BaseRepresentation
bin10011001100100…
…11000000000010
3102020000101110012
421212103000002
5312211043432
623551304522
73663524405
oct1146230002
9366011405
10161034242
1182999456
1245b1b142
1327493445
141755bd3c
15e20dcb2
hex9993002

161034242 has 8 divisors (see below), whose sum is σ = 241613436. Its totient is φ = 80496432.

The previous prime is 161034229. The next prime is 161034257. The reversal of 161034242 is 242430161.

It can be written as a sum of positive squares in 2 ways, for example, as 146434201 + 14600041 = 12101^2 + 3821^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648 + ... + 18140.

Almost surely, 2161034242 is an apocalyptic number.

161034242 is a deficient number, since it is larger than the sum of its proper divisors (80579194).

161034242 is a wasteful number, since it uses less digits than its factorization.

161034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20692.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 161034242 is about 12689.9267925390. The cubic root of 161034242 is about 544.0507472303.

The spelling of 161034242 in words is "one hundred sixty-one million, thirty-four thousand, two hundred forty-two".

Divisors: 1 2 5197 10394 15493 30986 80517121 161034242