Search a number
-
+
4309891684 = 227318535821
BaseRepresentation
bin1000000001110001…
…11011101001100100
3102010100211011220221
410000320323221210
532311313013214
61551355534124
7211542321610
oct40070735144
912110734827
104309891684
11191190445a
12a0345a344
13538ba3987
142cc580340
151a3589e24
hex100e3ba64

4309891684 has 48 divisors (see below), whose sum is σ = 8909802496. Its totient is φ = 1785110400.

The previous prime is 4309891673. The next prime is 4309891687. The reversal of 4309891684 is 4861989034.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4309891687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737494 + ... + 743314.

Almost surely, 24309891684 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 4309891684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4454901248).

4309891684 is an abundant number, since it is smaller than the sum of its proper divisors (4599910812).

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

4309891684 is a wasteful number, since it uses less digits than its factorization.

4309891684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 4309891684 is about 65649.7653004182. The cubic root of 4309891684 is about 1627.3792912694.

The spelling of 4309891684 in words is "four billion, three hundred nine million, eight hundred ninety-one thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 853 868 1706 3412 5821 5971 11642 11942 23284 23884 26443 40747 52886 81494 105772 162988 180451 185101 360902 370202 721804 740404 1263157 2526314 4965313 5052628 9930626 19861252 34757191 69514382 139028764 153924703 307849406 615698812 1077472921 2154945842 4309891684