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2638968 = 233313547
BaseRepresentation
bin1010000100010001111000
311222001222120
422010101320
51133421333
6132321240
731300533
oct12042170
94861876
102638968
111542772
12a73220
13715227
144c9a1a
15371db3
hex284478

2638968 has 32 divisors (see below), whose sum is σ = 6812160. Its totient is φ = 851040.

The previous prime is 2638949. The next prime is 2638973. The reversal of 2638968 is 8698362.

It is a d-powerful number, because it can be written as 211 + 62 + 3 + 83 + 96 + 65 + 87 .

It is a nialpdrome in base 12.

It is a congruent number.

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, 1030 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (212880).

22638968 is an apocalyptic number.

It is an amenable number.

2638968 is an abundant number, since it is smaller than the sum of its proper divisors (4173192).

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

2638968 is a wasteful number, since it uses less digits than its factorization.

2638968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3583 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2638968 is about 1624.4900738386. The cubic root of 2638968 is about 138.1904532713.

The spelling of 2638968 in words is "two million, six hundred thirty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 3547 7094 10641 14188 21282 28376 42564 85128 109957 219914 329871 439828 659742 879656 1319484 2638968