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53214285 = 353547619
BaseRepresentation
bin1100101011111…
…1110001001101
310201010120021110
43022333301031
5102110324120
65140322233
71214212455
oct312776115
9121116243
1053214285
1128046753
12159a3379
13b042457
1470d2d65
154a122e0
hex32bfc4d

53214285 has 8 divisors (see below), whose sum is σ = 85142880. Its totient is φ = 28380944.

The previous prime is 53214241. The next prime is 53214311. The reversal of 53214285 is 58241235.

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 53214285 - 26 = 53214221 is a prime.

It is a super-2 number, since 2×532142852 = 5663520256122450, which contains 22 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, 1773795 + ... + 1773824.

It is an arithmetic number, because the mean of its divisors is an integer number (10642860).

Almost surely, 253214285 is an apocalyptic number.

It is an amenable number.

53214285 is a deficient number, since it is larger than the sum of its proper divisors (31928595).

53214285 is a wasteful number, since it uses less digits than its factorization.

53214285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547627.

The product of its digits is 9600, while the sum is 30.

The square root of 53214285 is about 7294.8121977197. The cubic root of 53214285 is about 376.1341309784.

The spelling of 53214285 in words is "fifty-three million, two hundred fourteen thousand, two hundred eighty-five".

Divisors: 1 3 5 15 3547619 10642857 17738095 53214285