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34978811 = 711344221
BaseRepresentation
bin1000010101101…
…1101111111011
32102211002220112
42011123233323
532423310221
63245414535
7603213020
oct205335773
972732815
1034978811
111882110a
12b86a44b
13732922a
144907547
15310e15b
hex215bbfb

34978811 has 8 divisors (see below), whose sum is σ = 40330464. Its totient is φ = 29715840.

The previous prime is 34978807. The next prime is 34978813. The reversal of 34978811 is 11887943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34978811 - 22 = 34978807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34978813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21320 + ... + 22901.

It is an arithmetic number, because the mean of its divisors is an integer number (5041308).

Almost surely, 234978811 is an apocalyptic number.

34978811 is a deficient number, since it is larger than the sum of its proper divisors (5351653).

34978811 is a wasteful number, since it uses less digits than its factorization.

34978811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44341.

The product of its digits is 48384, while the sum is 41.

The square root of 34978811 is about 5914.2887146300. The cubic root of 34978811 is about 327.0406075754.

The spelling of 34978811 in words is "thirty-four million, nine hundred seventy-eight thousand, eight hundred eleven".

Divisors: 1 7 113 791 44221 309547 4996973 34978811