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51013050 = 23521143719
BaseRepresentation
bin1100001010011…
…0010110111010
310112222201202020
43002212112322
5101024404200
65021215310
71156414044
oct302462672
9115881666
1051013050
1126882950
1215101536
13a75154a
146abca94
154729ea0
hex30a65ba

51013050 has 96 divisors (see below), whose sum is σ = 141419520. Its totient is φ = 12062400.

The previous prime is 51013033. The next prime is 51013051. The reversal of 51013050 is 5031015.

51013050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (51013051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70591 + ... + 71309.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 251013050 is an apocalyptic number.

51013050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51013050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70709760).

51013050 is an abundant number, since it is smaller than the sum of its proper divisors (90406470).

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

51013050 is a wasteful number, since it uses less digits than its factorization.

51013050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 51013050 is about 7142.3420528563. The cubic root of 51013050 is about 370.8746049536.

Adding to 51013050 its reverse (5031015), we get a palindrome (56044065).

The spelling of 51013050 in words is "fifty-one million, thirteen thousand, fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 43 50 55 66 75 86 110 129 150 165 215 258 275 330 430 473 550 645 719 825 946 1075 1290 1419 1438 1650 2150 2157 2365 2838 3225 3595 4314 4730 6450 7095 7190 7909 10785 11825 14190 15818 17975 21570 23650 23727 30917 35475 35950 39545 47454 53925 61834 70950 79090 92751 107850 118635 154585 185502 197725 237270 309170 340087 395450 463755 593175 680174 772925 927510 1020261 1186350 1545850 1700435 2040522 2318775 3400870 4637550 5101305 8502175 10202610 17004350 25506525 51013050