Search a number
-
+
2150542 = 21517121
BaseRepresentation
bin1000001101000010001110
311001020222201
420031002032
51022304132
6114032114
724164542
oct10150216
94036881
102150542
111239809
1287863a
135a3b14
143dda22
152c72e7
hex20d08e

2150542 has 8 divisors (see below), whose sum is σ = 3247632. Its totient is φ = 1068000.

The previous prime is 2150531. The next prime is 2150543. The reversal of 2150542 is 2450512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150543) 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, 3259 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (405954).

22150542 is an apocalyptic number.

2150542 is a deficient number, since it is larger than the sum of its proper divisors (1097090).

2150542 is a wasteful number, since it uses less digits than its factorization.

2150542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2150542 is about 1466.4726386810. The cubic root of 2150542 is about 129.0771327264.

It can be divided in two parts, 2 and 150542, that added together give a square (150544 = 3882).

The spelling of 2150542 in words is "two million, one hundred fifty thousand, five hundred forty-two".

Divisors: 1 2 151 302 7121 14242 1075271 2150542