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2672380 = 225413259
BaseRepresentation
bin1010001100011011111100
312000202211001
422030123330
51141004010
6133140044
731500124
oct12143374
95022731
102672380
111565887
12a8a624
137274b9
144d7c84
1537bc3a
hex28c6fc

2672380 has 24 divisors (see below), whose sum is σ = 5750640. Its totient is φ = 1042560.

The previous prime is 2672377. The next prime is 2672381. The reversal of 2672380 is 832762.

2672380 = T407 + T408 + ... + T436.

It is a super-2 number, since 2×26723802 = 14283229728800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 211 + 66 + 72 + 219 + 37 + 87 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (239610).

22672380 is an apocalyptic number.

2672380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2672380 is an abundant number, since it is smaller than the sum of its proper divisors (3078260).

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

2672380 is a wasteful number, since it uses less digits than its factorization.

2672380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2672380 is about 1634.7415697902. The cubic root of 2672380 is about 138.7712193286.

The spelling of 2672380 in words is "two million, six hundred seventy-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 3259 6518 13036 16295 32590 65180 133619 267238 534476 668095 1336190 2672380