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34678144 = 27270923
BaseRepresentation
bin1000010001001…
…0010110000000
32102020211110201
42010102112000
532334200034
63235134544
7600521314
oct204222600
972224421
1034678144
1118636226
12b744454
137252417
144869b44
1530a0014
hex2112580

34678144 has 16 divisors (see below), whose sum is σ = 69085620. Its totient is φ = 17339008.

The previous prime is 34678141. The next prime is 34678153. The reversal of 34678144 is 44187643.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34678141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135334 + ... + 135589.

Almost surely, 234678144 is an apocalyptic number.

It is an amenable number.

34678144 is a deficient number, since it is larger than the sum of its proper divisors (34407476).

34678144 is an equidigital number, since it uses as much as digits as its factorization.

34678144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270937 (or 270925 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 34678144 is about 5888.8151609640. The cubic root of 34678144 is about 326.1008633162.

It can be divided in two parts, 3467 and 8144, that added together give a palindrome (11611).

The spelling of 34678144 in words is "thirty-four million, six hundred seventy-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 270923 541846 1083692 2167384 4334768 8669536 17339072 34678144