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192940 = 22511877
BaseRepresentation
bin101111000110101100
3100210122221
4233012230
522133230
64045124
71432336
oct570654
9323587
10192940
11121a60
12937a4
1369a87
1450456
153c27a
hex2f1ac

192940 has 24 divisors (see below), whose sum is σ = 442512. Its totient is φ = 70080.

The previous prime is 192931. The next prime is 192949. The reversal of 192940 is 49291.

It is an interprime number because it is at equal distance from previous prime (192931) and next prime (192949).

It is not an unprimeable number, because it can be changed into a prime (192949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (18438).

2192940 is an apocalyptic number.

192940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192940 is the 220-th decagonal number.

It is an amenable number.

192940 is an abundant number, since it is smaller than the sum of its proper divisors (249572).

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

192940 is a wasteful number, since it uses less digits than its factorization.

192940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 192940 is about 439.2493597036. The cubic root of 192940 is about 57.7839764334.

The spelling of 192940 in words is "one hundred ninety-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 877 1754 3508 4385 8770 9647 17540 19294 38588 48235 96470 192940