Search a number
-
+
2142460 = 225107123
BaseRepresentation
bin1000001011000011111100
311000211220101
420023003330
51022024320
6113530444
724132145
oct10130374
94024811
102142460
111233731
12873a24
135a0238
143daacc
152c4c0a
hex20b0fc

2142460 has 12 divisors (see below), whose sum is σ = 4499208. Its totient is φ = 856976.

The previous prime is 2142457. The next prime is 2142463. The reversal of 2142460 is 642412.

It is an interprime number because it is at equal distance from previous prime (2142457) and next prime (2142463).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142463) 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, 53542 + ... + 53581.

It is an arithmetic number, because the mean of its divisors is an integer number (374934).

22142460 is an apocalyptic number.

2142460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142460 is an abundant number, since it is smaller than the sum of its proper divisors (2356748).

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

2142460 is a wasteful number, since it uses less digits than its factorization.

2142460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107132 (or 107130 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142460 is about 1463.7144530270. The cubic root of 2142460 is about 128.9152338581.

Adding to 2142460 its reverse (642412), we get a palindrome (2784872).

The spelling of 2142460 in words is "two million, one hundred forty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 107123 214246 428492 535615 1071230 2142460