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122144434 = 261072217
BaseRepresentation
bin1110100011111…
…00011010110010
322111211120122221
413101330122302
5222232110214
620041551254
73012132136
oct721743262
9274746587
10122144434
1162a46a15
1234aa552a
131c3c8019
14123173c6
15aacae24
hex747c6b2

122144434 has 4 divisors (see below), whose sum is σ = 183216654. Its totient is φ = 61072216.

The previous prime is 122144423. The next prime is 122144479. The reversal of 122144434 is 434441221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 26163225 = 9797^2 + 5115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122144399 and 122144408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30536107 + ... + 30536110.

Almost surely, 2122144434 is an apocalyptic number.

122144434 is a deficient number, since it is larger than the sum of its proper divisors (61072220).

122144434 is an equidigital number, since it uses as much as digits as its factorization.

122144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61072219.

The product of its digits is 3072, while the sum is 25.

The square root of 122144434 is about 11051.8973031783. The cubic root of 122144434 is about 496.1632120919.

Adding to 122144434 its reverse (434441221), we get a palindrome (556585655).

The spelling of 122144434 in words is "one hundred twenty-two million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 61072217 122144434