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122142204 = 22324218059
BaseRepresentation
bin1110100011110…
…11110111111100
322111211110121100
413101323313330
5222232022304
620041533100
73012122502
oct721736774
9274743540
10122142204
1162a45278
1234aa4190
131c3c6cc2
1412316672
15aaca439
hex747bdfc

122142204 has 36 divisors (see below), whose sum is σ = 309520120. Its totient is φ = 40612320.

The previous prime is 122142187. The next prime is 122142221. The reversal of 122142204 is 402241221.

It is an interprime number because it is at equal distance from previous prime (122142187) and next prime (122142221).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11127 + ... + 19185.

Almost surely, 2122142204 is an apocalyptic number.

It is an amenable number.

122142204 is an abundant number, since it is smaller than the sum of its proper divisors (187377916).

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

122142204 is a wasteful number, since it uses less digits than its factorization.

122142204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490 (or 8485 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 122142204 is about 11051.7964150630. The cubic root of 122142204 is about 496.1601925774.

Adding to 122142204 its reverse (402241221), we get a palindrome (524383425).

The spelling of 122142204 in words is "one hundred twenty-two million, one hundred forty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 421 842 1263 1684 2526 3789 5052 7578 8059 15156 16118 24177 32236 48354 72531 96708 145062 290124 3392839 6785678 10178517 13571356 20357034 30535551 40714068 61071102 122142204