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34894480 = 245436181
BaseRepresentation
bin1000010100011…
…1001010010000
32102122211020011
42011013022100
532413110410
63243524304
7602412115
oct205071220
972584204
1034894480
1118773815
12b829694
1372c9a2a
1448c490c
1530e418a
hex2147290

34894480 has 20 divisors (see below), whose sum is σ = 81129852. Its totient is φ = 13957760.

The previous prime is 34894477. The next prime is 34894481. The reversal of 34894480 is 8449843.

It can be written as a sum of positive squares in 2 ways, for example, as 18766224 + 16128256 = 4332^2 + 4016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (34894481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218011 + ... + 218170.

Almost surely, 234894480 is an apocalyptic number.

It is an amenable number.

34894480 is an abundant number, since it is smaller than the sum of its proper divisors (46235372).

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

34894480 is a wasteful number, since it uses less digits than its factorization.

34894480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436194 (or 436188 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 34894480 is about 5907.1549835771. The cubic root of 34894480 is about 326.7775735222. Note that the first 3 decimals are identical.

The spelling of 34894480 in words is "thirty-four million, eight hundred ninety-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 436181 872362 1744724 2180905 3489448 4361810 6978896 8723620 17447240 34894480