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161473124 = 2250979309
BaseRepresentation
bin10011001111111…
…10001001100100
3102020211200111002
421213332021210
5312314114444
624004532432
74000333061
oct1147761144
9366750432
10161473124
118316916a
12460b1118
13275b8137
1417633c68
15e298d4e
hex99fe264

161473124 has 12 divisors (see below), whose sum is σ = 283136700. Its totient is φ = 80576928.

The previous prime is 161473121. The next prime is 161473159. The reversal of 161473124 is 421374161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 138815524 + 22657600 = 11782^2 + 4760^2 .

It is not an unprimeable number, because it can be changed into a prime (161473121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37619 + ... + 41690.

It is an arithmetic number, because the mean of its divisors is an integer number (23594725).

Almost surely, 2161473124 is an apocalyptic number.

It is an amenable number.

161473124 is a deficient number, since it is larger than the sum of its proper divisors (121663576).

161473124 is a wasteful number, since it uses less digits than its factorization.

161473124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79822 (or 79820 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 161473124 is about 12707.2075610655. The cubic root of 161473124 is about 544.5445500534.

The spelling of 161473124 in words is "one hundred sixty-one million, four hundred seventy-three thousand, one hundred twenty-four".

Divisors: 1 2 4 509 1018 2036 79309 158618 317236 40368281 80736562 161473124