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34154420 = 2252277523
BaseRepresentation
bin1000001001001…
…0011110110100
32101021020001112
42002102132310
532220420140
63220014152
7563210366
oct202223664
971236045
1034154420
11183087a3
12b531358
1370cac21
144770d36
152ee9c65
hex20927b4

34154420 has 24 divisors (see below), whose sum is σ = 72049824. Its totient is φ = 13599776.

The previous prime is 34154413. The next prime is 34154443. The reversal of 34154420 is 2445143.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (3002076).

Almost surely, 234154420 is an apocalyptic number.

It is an amenable number.

34154420 is an abundant number, since it is smaller than the sum of its proper divisors (37895404).

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

34154420 is a wasteful number, since it uses less digits than its factorization.

34154420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759 (or 7757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 34154420 is about 5844.1782998126. The cubic root of 34154420 is about 324.4508913080.

Adding to 34154420 its reverse (2445143), we get a palindrome (36599563).

The spelling of 34154420 in words is "thirty-four million, one hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 7523 15046 30092 37615 75230 150460 1707721 3415442 6830884 8538605 17077210 34154420