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3361280 = 29513101
BaseRepresentation
bin1100110100101000000000
320022202210212
430310220000
51330030110
6200013252
740366436
oct14645000
96282725
103361280
11199641a
121161228
13908c30
14636d56
15465e05
hex334a00

3361280 has 80 divisors (see below), whose sum is σ = 8765064. Its totient is φ = 1228800.

The previous prime is 3361273. The next prime is 3361297. The reversal of 3361280 is 821633.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 430336 = 1712^2 + 656^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33612802 = 22596406476800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33230 + ... + 33330.

Almost surely, 23361280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3361280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382532).

3361280 is an abundant number, since it is smaller than the sum of its proper divisors (5403784).

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

3361280 is a wasteful number, since it uses less digits than its factorization.

3361280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3361280 is about 1833.3793933608. The cubic root of 3361280 is about 149.7964646882.

The spelling of 3361280 in words is "three million, three hundred sixty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 101 104 128 130 160 202 208 256 260 320 404 416 505 512 520 640 808 832 1010 1040 1280 1313 1616 1664 2020 2080 2560 2626 3232 3328 4040 4160 5252 6464 6565 6656 8080 8320 10504 12928 13130 16160 16640 21008 25856 26260 32320 33280 42016 51712 52520 64640 84032 105040 129280 168064 210080 258560 336128 420160 672256 840320 1680640 3361280