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51411245 = 5192931847
BaseRepresentation
bin1100010000011…
…1100100101101
310120201221222012
43010013210231
5101130124440
65033531005
71162663004
oct304074455
9116657865
1051411245
1127025036
1215273a65
13a860872
146b83c3b
1547a7e65
hex310792d

51411245 has 16 divisors (see below), whose sum is σ = 65197440. Its totient is φ = 38810304.

The previous prime is 51411223. The next prime is 51411263. The reversal of 51411245 is 54211415.

It is a cyclic number.

It is not a de Polignac number, because 51411245 - 212 = 51407149 is a prime.

It is a super-2 number, since 2×514112452 = 5286232224900050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51411245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26912 + ... + 28758.

It is an arithmetic number, because the mean of its divisors is an integer number (4074840).

Almost surely, 251411245 is an apocalyptic number.

It is an amenable number.

51411245 is a deficient number, since it is larger than the sum of its proper divisors (13786195).

51411245 is a wasteful number, since it uses less digits than its factorization.

51411245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164.

The product of its digits is 800, while the sum is 23.

The square root of 51411245 is about 7170.1635267266. The cubic root of 51411245 is about 371.8370895139.

The spelling of 51411245 in words is "fifty-one million, four hundred eleven thousand, two hundred forty-five".

Divisors: 1 5 19 95 293 1465 1847 5567 9235 27835 35093 175465 541171 2705855 10282249 51411245