Search a number
-
+
2115056460 = 2235113204631
BaseRepresentation
bin111111000010001…
…0011001101001100
312110101212000000110
41332010103031030
513312423301320
6545513000020
7103261453236
oct17604231514
95411760013
102115056460
11995992250
124b03b3010
132792600ca
14160c89256
15c5a3d5e0
hex7e11334c

2115056460 has 48 divisors (see below), whose sum is σ = 6460538112. Its totient is φ = 512740800.

The previous prime is 2115056441. The next prime is 2115056473. The reversal of 2115056460 is 646505112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601656 + ... + 1602975.

It is an arithmetic number, because the mean of its divisors is an integer number (134594544).

Almost surely, 22115056460 is an apocalyptic number.

2115056460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115056460 is an abundant number, since it is smaller than the sum of its proper divisors (4345481652).

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

2115056460 is a wasteful number, since it uses less digits than its factorization.

2115056460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204654 (or 3204652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2115056460 is about 45989.7429868878. The cubic root of 2115056460 is about 1283.6323541519.

The spelling of 2115056460 in words is "two billion, one hundred fifteen million, fifty-six thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 3204631 6409262 9613893 12818524 16023155 19227786 32046310 35250941 38455572 48069465 64092620 70501882 96138930 105752823 141003764 176254705 192277860 211505646 352509410 423011292 528764115 705018820 1057528230 2115056460