Search a number
-
+
3228972560 = 245113669287
BaseRepresentation
bin1100000001110110…
…0011011000010000
322100000212210122022
43000131203120100
523103104110220
61252224031012
7143005546112
oct30035433020
98300783568
103228972560
111407741970
12761462468
133c5c73c68
14228bab3b2
1513d722925
hexc0763610

3228972560 has 40 divisors (see below), whose sum is σ = 8189850816. Its totient is φ = 1174171520.

The previous prime is 3228972541. The next prime is 3228972581. The reversal of 3228972560 is 652798223.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833764 + ... + 1835523.

Almost surely, 23228972560 is an apocalyptic number.

It is an amenable number.

3228972560 is an abundant number, since it is smaller than the sum of its proper divisors (4960878256).

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

3228972560 is a wasteful number, since it uses less digits than its factorization.

3228972560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669311 (or 3669305 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3228972560 is about 56824.0491341474. The cubic root of 3228972560 is about 1478.0465706292.

The spelling of 3228972560 in words is "three billion, two hundred twenty-eight million, nine hundred seventy-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 3669287 7338574 14677148 18346435 29354296 36692870 40362157 58708592 73385740 80724314 146771480 161448628 201810785 293542960 322897256 403621570 645794512 807243140 1614486280 3228972560