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123414434 = 21121339229
BaseRepresentation
bin1110101101100…
…10011110100010
322121020002202222
413112302132202
5223043230214
620125111042
73026001563
oct726623642
9277202688
10123414434
1163734100
12353b8482
131c7510c0
141256816a
15ac7c38e
hex75b27a2

123414434 has 24 divisors (see below), whose sum is σ = 219138780. Its totient is φ = 51780960.

The previous prime is 123414397. The next prime is 123414439. The reversal of 123414434 is 434414321.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 3621409 = 10945^2 + 1903^2 .

It is a super-2 number, since 2×1234144342 = 30462245039080712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (123414439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16469 + ... + 22760.

Almost surely, 2123414434 is an apocalyptic number.

123414434 is a deficient number, since it is larger than the sum of its proper divisors (95724346).

123414434 is a wasteful number, since it uses less digits than its factorization.

123414434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39266 (or 39255 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 123414434 is about 11109.2049220455. The cubic root of 123414434 is about 497.8769097353.

Adding to 123414434 its reverse (434414321), we get a palindrome (557828755).

The spelling of 123414434 in words is "one hundred twenty-three million, four hundred fourteen thousand, four hundred thirty-four".

Divisors: 1 2 11 13 22 26 121 143 242 286 1573 3146 39229 78458 431519 509977 863038 1019954 4746709 5609747 9493418 11219494 61707217 123414434