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34880980 = 2251744049
BaseRepresentation
bin1000010100001…
…1110111010100
32102122010201011
42011003313110
532412142410
63243342004
7602324551
oct205036724
972563634
1034880980
1118764662
12b821904
1372c3844
1448bda28
1530e018a
hex2143dd4

34880980 has 12 divisors (see below), whose sum is σ = 73250100. Its totient is φ = 13952384.

The previous prime is 34880971. The next prime is 34881001. The reversal of 34880980 is 8908843.

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 22391824 = 3534^2 + 4732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872005 + ... + 872044.

It is an arithmetic number, because the mean of its divisors is an integer number (6104175).

Almost surely, 234880980 is an apocalyptic number.

It is an amenable number.

34880980 is an abundant number, since it is smaller than the sum of its proper divisors (38369120).

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

34880980 is a wasteful number, since it uses less digits than its factorization.

34880980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744058 (or 1744056 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 34880980 is about 5906.0121909796. The cubic root of 34880980 is about 326.7354267770.

The spelling of 34880980 in words is "thirty-four million, eight hundred eighty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1744049 3488098 6976196 8720245 17440490 34880980