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161048 = 2341491
BaseRepresentation
bin100111010100011000
322011220202
4213110120
520123143
63241332
71240346
oct472430
9264822
10161048
11aaaa8
1279248
13583c4
1442996
1532ab8
hex27518

161048 has 16 divisors (see below), whose sum is σ = 309960. Its totient is φ = 78400.

The previous prime is 161047. The next prime is 161053. The reversal of 161048 is 840161.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161048.

It is not an unprimeable number, because it can be changed into a prime (161047) 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, 83 + ... + 573.

2161048 is an apocalyptic number.

It is an amenable number.

161048 is a deficient number, since it is larger than the sum of its proper divisors (148912).

161048 is a wasteful number, since it uses less digits than its factorization.

161048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 161048 is about 401.3078618717. The cubic root of 161048 is about 54.4066240492.

Subtracting from 161048 its sum of digits (20), we obtain a triangular number (161028 = T567).

The spelling of 161048 in words is "one hundred sixty-one thousand, forty-eight".

Divisors: 1 2 4 8 41 82 164 328 491 982 1964 3928 20131 40262 80524 161048