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10123434 = 233187471
BaseRepresentation
bin100110100111…
…100010101010
3201001022202000
4212213202222
510042422214
61000551430
7152022246
oct46474252
921038660
1010123434
115794982
123482576
132135ac9
1414b7426
15d4e809
hex9a78aa

10123434 has 16 divisors (see below), whose sum is σ = 22496640. Its totient is φ = 3374460.

The previous prime is 10123423. The next prime is 10123439. The reversal of 10123434 is 43432101.

10123434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10123434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10123439) 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, 93682 + ... + 93789.

It is an arithmetic number, because the mean of its divisors is an integer number (1406040).

Almost surely, 210123434 is an apocalyptic number.

10123434 is an abundant number, since it is smaller than the sum of its proper divisors (12373206).

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

10123434 is a wasteful number, since it uses less digits than its factorization.

10123434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187482 (or 187476 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 10123434 is about 3181.7344326640. The cubic root of 10123434 is about 216.3262815744.

Adding to 10123434 its reverse (43432101), we get a palindrome (53555535).

The spelling of 10123434 in words is "ten million, one hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 187471 374942 562413 1124826 1687239 3374478 5061717 10123434