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73050400 = 2552127719
BaseRepresentation
bin1000101101010…
…10100100100000
312002110100022101
410112222210200
5122200103100
611125420144
71544626633
oct426524440
9162410271
1073050400
1138264935
122056a654
13121990b7
1499b7c1a
15662e86a
hex45aa920

73050400 has 72 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 28949760.

The previous prime is 73050349. The next prime is 73050401. The reversal of 73050400 is 405037.

It is not an unprimeable number, because it can be changed into a prime (73050401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101241 + ... + 101959.

It is an arithmetic number, because the mean of its divisors is an integer number (2499840).

Almost surely, 273050400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73050400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89994240).

73050400 is an abundant number, since it is smaller than the sum of its proper divisors (106938080).

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

73050400 is a wasteful number, since it uses less digits than its factorization.

73050400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 73050400 is about 8546.9526733216. The cubic root of 73050400 is about 418.0300795643.

Adding to 73050400 its reverse (405037), we get a palindrome (73455437).

The spelling of 73050400 in words is "seventy-three million, fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 127 160 200 254 400 508 635 719 800 1016 1270 1438 2032 2540 2876 3175 3595 4064 5080 5752 6350 7190 10160 11504 12700 14380 17975 20320 23008 25400 28760 35950 50800 57520 71900 91313 101600 115040 143800 182626 287600 365252 456565 575200 730504 913130 1461008 1826260 2282825 2922016 3652520 4565650 7305040 9131300 14610080 18262600 36525200 73050400