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189243352 = 2323655419
BaseRepresentation
bin10110100011110…
…01111111011000
3111012002120002001
423101321333120
5341421241402
630440050344
74455353614
oct1321717730
9435076061
10189243352
1197906371
12534639b4
133028c21c
141b1c2344
1511932187
hexb479fd8

189243352 has 8 divisors (see below), whose sum is σ = 354831300. Its totient is φ = 94621672.

The previous prime is 189243349. The next prime is 189243367. The reversal of 189243352 is 253342981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11827702 + ... + 11827717.

Almost surely, 2189243352 is an apocalyptic number.

It is an amenable number.

189243352 is a deficient number, since it is larger than the sum of its proper divisors (165587948).

189243352 is a wasteful number, since it uses less digits than its factorization.

189243352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655425 (or 23655421 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 189243352 is about 13756.5748644057. The cubic root of 189243352 is about 574.1255537610.

It can be divided in two parts, 1892433 and 52, that added together give a triangular number (1892485 = T1945).

The spelling of 189243352 in words is "one hundred eighty-nine million, two hundred forty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 8 23655419 47310838 94621676 189243352