Search a number
-
+
34129792 = 272311593
BaseRepresentation
bin1000001000110…
…0011110000000
32101012222021101
42002030132000
532214123132
63215304144
7563045524
oct202143600
971188241
1034129792
11182a1244
12b51b054
1370bc958
144765d84
152ee27e7
hex208c780

34129792 has 32 divisors (see below), whose sum is σ = 70955280. Its totient is φ = 16321536.

The previous prime is 34129787. The next prime is 34129793. The reversal of 34129792 is 29792143.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34129793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853 + ... + 8740.

Almost surely, 234129792 is an apocalyptic number.

34129792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34129792 is an abundant number, since it is smaller than the sum of its proper divisors (36825488).

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

34129792 is a wasteful number, since it uses less digits than its factorization.

34129792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630 (or 11618 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 34129792 is about 5842.0708657119. The cubic root of 34129792 is about 324.3728877589.

The spelling of 34129792 in words is "thirty-four million, one hundred twenty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 11593 23186 46372 92744 185488 266639 370976 533278 741952 1066556 1483904 2133112 4266224 8532448 17064896 34129792