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51241734 = 234674721
BaseRepresentation
bin1100001101111…
…0001100000110
310120102100110000
43003132030012
5101104213414
65030142130
71161355545
oct303361406
9116370400
1051241734
1126a19745
12151b1946
13a80166b
146b3c15c
154772b09
hex30de306

51241734 has 40 divisors (see below), whose sum is σ = 116557848. Its totient is φ = 16822080.

The previous prime is 51241721. The next prime is 51241741. The reversal of 51241734 is 43714215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51241698 and 51241707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8494 + ... + 13214.

Almost surely, 251241734 is an apocalyptic number.

51241734 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51241734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58278924).

51241734 is an abundant number, since it is smaller than the sum of its proper divisors (65316114).

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

51241734 is a wasteful number, since it uses less digits than its factorization.

51241734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802 (or 4793 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51241734 is about 7158.3331858750. Note that the first 3 decimals coincide. The cubic root of 51241734 is about 371.4279709909.

Adding to 51241734 its reverse (43714215), we get a palindrome (94955949).

The spelling of 51241734 in words is "fifty-one million, two hundred forty-one thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 67 81 134 162 201 402 603 1206 1809 3618 4721 5427 9442 10854 14163 28326 42489 84978 127467 254934 316307 382401 632614 764802 948921 1897842 2846763 5693526 8540289 17080578 25620867 51241734