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51054285 = 353403619
BaseRepresentation
bin1100001011000…
…0011011001101
310120001211022110
43002300123031
5101032214120
65022134233
71156645212
oct302603315
9116054273
1051054285
1126900927
1215121379
13a767249
146acdb09
1547372e0
hex30b06cd

51054285 has 8 divisors (see below), whose sum is σ = 81686880. Its totient is φ = 27228944.

The previous prime is 51054277. The next prime is 51054313. The reversal of 51054285 is 58245015.

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 51054285 - 23 = 51054277 is a prime.

It is a super-2 number, since 2×510542852 = 5213080033722450, 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, 1701795 + ... + 1701824.

It is an arithmetic number, because the mean of its divisors is an integer number (10210860).

Almost surely, 251054285 is an apocalyptic number.

It is an amenable number.

51054285 is a deficient number, since it is larger than the sum of its proper divisors (30632595).

51054285 is a wasteful number, since it uses less digits than its factorization.

51054285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403627.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 51054285 is about 7145.2281279187. The cubic root of 51054285 is about 370.9745068128.

The spelling of 51054285 in words is "fifty-one million, fifty-four thousand, two hundred eighty-five".

Divisors: 1 3 5 15 3403619 10210857 17018095 51054285