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34689788 = 2271238921
BaseRepresentation
bin1000010001010…
…1001011111100
32102021102102222
42010111023330
532340033123
63235304512
7600600260
oct204251374
972242388
1034689788
1118643a51
12b74b138
137257803
1448700a0
1530a36c8
hex21152fc

34689788 has 12 divisors (see below), whose sum is σ = 69379632. Its totient is φ = 14867040.

The previous prime is 34689779. The next prime is 34689791. The reversal of 34689788 is 88798643.

It is a happy number.

34689788 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619433 + ... + 619488.

It is an arithmetic number, because the mean of its divisors is an integer number (5781636).

Almost surely, 234689788 is an apocalyptic number.

It is an amenable number.

34689788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

34689788 is a wasteful number, since it uses less digits than its factorization.

34689788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238932 (or 1238930 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 34689788 is about 5889.8037318743. The cubic root of 34689788 is about 326.1373579024.

It can be divided in two parts, 3468978 and 8, that multiplied together give a square (27751824 = 52682).

The spelling of 34689788 in words is "thirty-four million, six hundred eighty-nine thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1238921 2477842 4955684 8672447 17344894 34689788