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73122230 = 2510097247
BaseRepresentation
bin1000101101111…
…00000110110110
312002120222211202
410112330012312
5122204402410
611131132502
71545346226
oct426740666
9162528752
1073122230
11383038a5
12205a4132
13121c29bc
1499d6086
156645ca5
hex45bc1b6

73122230 has 16 divisors (see below), whose sum is σ = 131768640. Its totient is φ = 29215872.

The previous prime is 73122223. The next prime is 73122233. The reversal of 73122230 is 3222137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73122233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6467 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (8235540).

Almost surely, 273122230 is an apocalyptic number.

73122230 is a deficient number, since it is larger than the sum of its proper divisors (58646410).

73122230 is a wasteful number, since it uses less digits than its factorization.

73122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 73122230 is about 8551.1537233288. The cubic root of 73122230 is about 418.1670501315.

Adding to 73122230 its reverse (3222137), we get a palindrome (76344367).

The spelling of 73122230 in words is "seventy-three million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 1009 2018 5045 7247 10090 14494 36235 72470 7312223 14624446 36561115 73122230