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61890327 = 3260711329
BaseRepresentation
bin1110110000010…
…1111100010111
311022110100120100
43230011330113
5111320442302
610050305143
71351026162
oct354057427
9138410510
1061890327
1131a32134
12188881b3
13ca8c4c5
148310ad9
155677d1c
hex3b05f17

61890327 has 12 divisors (see below), whose sum is σ = 89552320. Its totient is φ = 41188608.

The previous prime is 61890293. The next prime is 61890337. The reversal of 61890327 is 72309816.

61890327 is a `hidden beast` number, since 618 + 9 + 0 + 32 + 7 = 666.

It is not a de Polignac number, because 61890327 - 214 = 61873943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61890291 and 61890300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61890337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202 + ... + 11127.

Almost surely, 261890327 is an apocalyptic number.

61890327 is a deficient number, since it is larger than the sum of its proper divisors (27661993).

61890327 is a wasteful number, since it uses less digits than its factorization.

61890327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 61890327 is about 7867.0405490248. The cubic root of 61890327 is about 395.5556501909. Note that the first 3 decimals are identical.

The spelling of 61890327 in words is "sixty-one million, eight hundred ninety thousand, three hundred twenty-seven".

Divisors: 1 3 9 607 1821 5463 11329 33987 101961 6876703 20630109 61890327