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193072 = 24111097
BaseRepresentation
bin101111001000110000
3100210211211
4233020300
522134242
64045504
71432615
oct571060
9323754
10193072
11122070
1293894
1369b59
145050c
153c317
hex2f230

193072 has 20 divisors (see below), whose sum is σ = 408456. Its totient is φ = 87680.

The previous prime is 193057. The next prime is 193073. The reversal of 193072 is 270391.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (193073) 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, 373 + ... + 724.

2193072 is an apocalyptic number.

It is an amenable number.

193072 is an abundant number, since it is smaller than the sum of its proper divisors (215384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193072 is a wasteful number, since it uses less digits than its factorization.

193072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 193072 is about 439.3995903503. The cubic root of 193072 is about 57.7971510750.

It can be divided in two parts, 1930 and 72, that added together give a palindrome (2002).

The spelling of 193072 in words is "one hundred ninety-three thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 1097 2194 4388 8776 12067 17552 24134 48268 96536 193072