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12752950 = 252783439
BaseRepresentation
bin110000101001…
…100000110110
3212222220202111
4300221200312
511231043300
61133201234
7213253420
oct60514066
925886674
1012752950
117220531
12433021a
132846932
14199d810
1511bd9ba
hexc29836

12752950 has 48 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 4309920.

The previous prime is 12752921. The next prime is 12752951. The reversal of 12752950 is 5925721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28831 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (572880).

Almost surely, 212752950 is an apocalyptic number.

12752950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12752950 is an abundant number, since it is smaller than the sum of its proper divisors (14745290).

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

12752950 is a wasteful number, since it uses less digits than its factorization.

12752950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12752950 is about 3571.1272730050. The cubic root of 12752950 is about 233.6344525052.

It can be divided in two parts, 1275 and 2950, that added together give a square (4225 = 652).

The spelling of 12752950 in words is "twelve million, seven hundred fifty-two thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 83 166 175 350 415 439 581 830 878 1162 2075 2195 2905 3073 4150 4390 5810 6146 10975 14525 15365 21950 29050 30730 36437 72874 76825 153650 182185 255059 364370 510118 910925 1275295 1821850 2550590 6376475 12752950