Search a number
-
+
2174140 = 225108707
BaseRepresentation
bin1000010010110010111100
311002110100201
420102302330
51024033030
6114333244
724323413
oct10226274
94073321
102174140
111255511
1288a224
135b1797
1440847a
152ce2ca
hex212cbc

2174140 has 12 divisors (see below), whose sum is σ = 4565736. Its totient is φ = 869648.

The previous prime is 2174131. The next prime is 2174141. The reversal of 2174140 is 414712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54334 + ... + 54373.

It is an arithmetic number, because the mean of its divisors is an integer number (380478).

22174140 is an apocalyptic number.

2174140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2174140 is an abundant number, since it is smaller than the sum of its proper divisors (2391596).

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

2174140 is a wasteful number, since it uses less digits than its factorization.

2174140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108716 (or 108714 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2174140 is about 1474.4965242414. The cubic root of 2174140 is about 129.5475394798.

Adding to 2174140 its reverse (414712), we get a palindrome (2588852).

The spelling of 2174140 in words is "two million, one hundred seventy-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 108707 217414 434828 543535 1087070 2174140