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189492160 = 265111341101
BaseRepresentation
bin10110100101101…
…10101111000000
3111012120012101011
423102312233000
5342002222120
630445250304
74460441164
oct1322665700
9435505334
10189492160
1197a662a0
1253563994
1330348550
141b248ca4
1511980c5a
hexb4b6bc0

189492160 has 224 divisors, whose sum is σ = 548420544. Its totient is φ = 61440000.

The previous prime is 189492157. The next prime is 189492161. The reversal of 189492160 is 61294981.

189492160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189492161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1876110 + ... + 1876210.

It is an arithmetic number, because the mean of its divisors is an integer number (2448306).

Almost surely, 2189492160 is an apocalyptic number.

189492160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189492160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274210272).

189492160 is an abundant number, since it is smaller than the sum of its proper divisors (358928384).

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

189492160 is a wasteful number, since it uses less digits than its factorization.

189492160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 189492160 is about 13765.6151333676. The cubic root of 189492160 is about 574.3770544032.

It can be divided in two parts, 1894921 and 60, that added together give a palindrome (1894981).

The spelling of 189492160 in words is "one hundred eighty-nine million, four hundred ninety-two thousand, one hundred sixty".