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51411205 = 521148731
BaseRepresentation
bin1100010000011…
…1100100000101
310120201221220201
43010013210011
5101130124310
65033530501
71162662616
oct304074405
9116657821
1051411205
1127024aaa
1215273a31
13a860841
146b83c0d
1547a7e3a
hex3107905

51411205 has 8 divisors (see below), whose sum is σ = 61987104. Its totient is φ = 40933200.

The previous prime is 51411119. The next prime is 51411209. The reversal of 51411205 is 50211415.

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

It is not a de Polignac number, because 51411205 - 29 = 51410693 is a prime.

It is a super-2 number, since 2×514112052 = 5286223999104050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23311 + ... + 25420.

It is an arithmetic number, because the mean of its divisors is an integer number (7748388).

Almost surely, 251411205 is an apocalyptic number.

It is an amenable number.

51411205 is a deficient number, since it is larger than the sum of its proper divisors (10575899).

51411205 is a wasteful number, since it uses less digits than its factorization.

51411205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48947.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 51411205 is about 7170.1607373894. The cubic root of 51411205 is about 371.8369930792.

The spelling of 51411205 in words is "fifty-one million, four hundred eleven thousand, two hundred five".

Divisors: 1 5 211 1055 48731 243655 10282241 51411205