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51100014 = 2371398753
BaseRepresentation
bin1100001011101…
…1100101101110
310120011011001010
43002323211232
5101040200024
65023130050
71160225430
oct302734556
9116134033
1051100014
1126932219
1215143926
13a781cc4
146b02650
154745b29
hex30bb96e

51100014 has 32 divisors (see below), whose sum is σ = 117653760. Its totient is φ = 14493312.

The previous prime is 51099991. The next prime is 51100019. The reversal of 51100014 is 41000115.

It is a happy number.

It is a super-2 number, since 2×511000142 = 5222422861600392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462 + ... + 10214.

It is an arithmetic number, because the mean of its divisors is an integer number (3676680).

Almost surely, 251100014 is an apocalyptic number.

51100014 is an abundant number, since it is smaller than the sum of its proper divisors (66553746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51100014 is a wasteful number, since it uses less digits than its factorization.

51100014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 51100014 is about 7148.4273795010. The cubic root of 51100014 is about 371.0852335997.

Adding to 51100014 its reverse (41000115), we get a palindrome (92100129).

The spelling of 51100014 in words is "fifty-one million, one hundred thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 42 139 278 417 834 973 1946 2919 5838 8753 17506 26259 52518 61271 122542 183813 367626 1216667 2433334 3650001 7300002 8516669 17033338 25550007 51100014