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121230250 = 253598219
BaseRepresentation
bin1110011100111…
…01001110101010
322110010010122021
413032131032222
5222013332000
620010215054
73001303651
oct716351652
9273103567
10121230250
1162482099
123472448a
131c167b9b
141215a198
15a99a11a
hex739d3aa

121230250 has 32 divisors (see below), whose sum is σ = 230817600. Its totient is φ = 47664400.

The previous prime is 121230233. The next prime is 121230253. The reversal of 121230250 is 52032121.

It is not an unprimeable number, because it can be changed into a prime (121230253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10641 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (7213050).

Almost surely, 2121230250 is an apocalyptic number.

121230250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230250 is a deficient number, since it is larger than the sum of its proper divisors (109587350).

121230250 is an equidigital number, since it uses as much as digits as its factorization.

121230250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8295 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121230250 is about 11010.4609349473. The cubic root of 121230250 is about 494.9222746376.

Adding to 121230250 its reverse (52032121), we get a palindrome (173262371).

The spelling of 121230250 in words is "one hundred twenty-one million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 59 118 125 250 295 590 1475 2950 7375 8219 14750 16438 41095 82190 205475 410950 484921 969842 1027375 2054750 2424605 4849210 12123025 24246050 60615125 121230250