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34436140 = 2251721807
BaseRepresentation
bin1000001101011…
…1010000101100
32101210112111121
42003113100230
532303424030
63230030324
7565462624
oct203272054
971715447
1034436140
1118490422
12b6483a4
13719921b
144805884
15305347a
hex20d742c

34436140 has 12 divisors (see below), whose sum is σ = 72315936. Its totient is φ = 13774448.

The previous prime is 34436123. The next prime is 34436141. The reversal of 34436140 is 4163443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34436141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 860884 + ... + 860923.

It is an arithmetic number, because the mean of its divisors is an integer number (6026328).

Almost surely, 234436140 is an apocalyptic number.

It is an amenable number.

34436140 is an abundant number, since it is smaller than the sum of its proper divisors (37879796).

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

34436140 is a wasteful number, since it uses less digits than its factorization.

34436140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721816 (or 1721814 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 34436140 is about 5868.2314201129. The cubic root of 34436140 is about 325.3405188363.

Adding to 34436140 its reverse (4163443), we get a palindrome (38599583).

The spelling of 34436140 in words is "thirty-four million, four hundred thirty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1721807 3443614 6887228 8609035 17218070 34436140