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50075010 = 23656869
BaseRepresentation
bin1011111100000…
…1010110000010
310111020002000000
42333001112002
5100304400020
64545140430
71145426166
oct277012602
9114202000
1050075010
11262a2107
121492a716
13a4b35ab
146916ca6
1545e2090
hex2fc1582

50075010 has 56 divisors (see below), whose sum is σ = 135160380. Its totient is φ = 13351392.

The previous prime is 50074991. The next prime is 50075017. The reversal of 50075010 is 1057005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42341049 + 7733961 = 6507^2 + 2781^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50075017) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3856 + ... + 10724.

Almost surely, 250075010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50075010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67580190).

50075010 is an abundant number, since it is smaller than the sum of its proper divisors (85085370).

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

50075010 is an equidigital number, since it uses as much as digits as its factorization.

50075010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894 (or 6879 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 50075010 is about 7076.3698320537. The cubic root of 50075010 is about 368.5872839505.

Adding to 50075010 its sum of digits (18), we get a triangular number (50075028 = T10007).

The spelling of 50075010 in words is "fifty million, seventy-five thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 729 810 1215 1458 2430 3645 6869 7290 13738 20607 34345 41214 61821 68690 103035 123642 185463 206070 309105 370926 556389 618210 927315 1112778 1669167 1854630 2781945 3338334 5007501 5563890 8345835 10015002 16691670 25037505 50075010