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2732868 = 223275913
BaseRepresentation
bin1010011011001101000100
312010211210100
422123031010
51144422433
6134324100
732141355
oct12331504
95124710
102732868
1115a7276
12ab9630
13748ba8
14511d2c
1538eb13
hex29b344

2732868 has 18 divisors (see below), whose sum is σ = 6908174. Its totient is φ = 910944.

The previous prime is 2732843. The next prime is 2732893. The reversal of 2732868 is 8682372.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2732843) and next prime (2732893).

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 166464 = 1602^2 + 408^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 75913 = 2732868 / (2 + 7 + 3 + 2 + 8 + 6 + 8).

It is a d-powerful number, because it can be written as 24 + 74 + 37 + 220 + 8 + 68 + 82 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37921 + ... + 37992.

22732868 is an apocalyptic number.

It is an amenable number.

2732868 is an abundant number, since it is smaller than the sum of its proper divisors (4175306).

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

2732868 is a wasteful number, since it uses less digits than its factorization.

2732868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75923 (or 75918 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2732868 is about 1653.1388326453. The cubic root of 2732868 is about 139.8104236795.

It can be divided in two parts, 2732 and 868, that added together give a square (3600 = 602).

The spelling of 2732868 in words is "two million, seven hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 75913 151826 227739 303652 455478 683217 910956 1366434 2732868