Search a number
-
+
53902189 = 1117288247
BaseRepresentation
bin1100110110011…
…1101101101101
310202102111220101
43031213231231
5102244332224
65203151101
71223106145
oct315475555
9122374811
1053902189
1128476570
1216075491
13b2235b3
147231925
154aeb044
hex3367b6d

53902189 has 8 divisors (see below), whose sum is σ = 62261568. Its totient is φ = 46119360.

The previous prime is 53902181. The next prime is 53902193. The reversal of 53902189 is 98120935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53902189 - 23 = 53902181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53902181) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 143937 + ... + 144310.

It is an arithmetic number, because the mean of its divisors is an integer number (7782696).

Almost surely, 253902189 is an apocalyptic number.

It is an amenable number.

53902189 is a deficient number, since it is larger than the sum of its proper divisors (8359379).

53902189 is a wasteful number, since it uses less digits than its factorization.

53902189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288275.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 53902189 is about 7341.8110163637. The cubic root of 53902189 is about 377.7479656758.

The spelling of 53902189 in words is "fifty-three million, nine hundred two thousand, one hundred eighty-nine".

Divisors: 1 11 17 187 288247 3170717 4900199 53902189