Search a number
-
+
2813772 = 22313171061
BaseRepresentation
bin1010101110111101001100
312021221202210
422232331030
51210020042
6140150420
732626263
oct12567514
95257683
102813772
111652035
12b38410
13776970
145335da
153a8a9c
hex2aef4c

2813772 has 48 divisors (see below), whose sum is σ = 7493472. Its totient is φ = 814080.

The previous prime is 2813737. The next prime is 2813807. The reversal of 2813772 is 2773182.

It is an interprime number because it is at equal distance from previous prime (2813737) and next prime (2813807).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (156114).

22813772 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 2813772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3746736).

2813772 is an abundant number, since it is smaller than the sum of its proper divisors (4679700).

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

2813772 is a wasteful number, since it uses less digits than its factorization.

2813772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 2813772 is about 1677.4301773844. The cubic root of 2813772 is about 141.1766810863.

The spelling of 2813772 in words is "two million, eight hundred thirteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1061 1326 2122 2652 3183 4244 6366 12732 13793 18037 27586 36074 41379 54111 55172 72148 82758 108222 165516 216444 234481 468962 703443 937924 1406886 2813772