Search a number
-
+
189242076 = 223131120383
BaseRepresentation
bin10110100011110…
…01101011011100
3111012002111022210
423101321223130
5341421221301
630440040420
74455350112
oct1321715334
9435074283
10189242076
1197905411
1253463110
133028b77a
141b1c1ab2
1511931ad6
hexb479adc

189242076 has 24 divisors (see below), whose sum is σ = 444939264. Its totient is φ = 62598640.

The previous prime is 189242063. The next prime is 189242083. The reversal of 189242076 is 670242981.

It is a super-3 number, since 3×1892420763 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58620 + ... + 61763.

It is an arithmetic number, because the mean of its divisors is an integer number (18539136).

Almost surely, 2189242076 is an apocalyptic number.

It is an amenable number.

189242076 is an abundant number, since it is smaller than the sum of its proper divisors (255697188).

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

189242076 is a wasteful number, since it uses less digits than its factorization.

189242076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120521 (or 120519 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 189242076 is about 13756.5284865041. The cubic root of 189242076 is about 574.1242633839.

The spelling of 189242076 in words is "one hundred eighty-nine million, two hundred forty-two thousand, seventy-six".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 120383 240766 361149 481532 722298 1444596 15770173 31540346 47310519 63080692 94621038 189242076