Search a number
-
+
2515142 = 272373107
BaseRepresentation
bin1001100110000011000110
311201210010102
421212003012
51120441032
6125524102
730243530
oct11460306
94653112
102515142
111468733
12a13632
136a0a66
14496850
1534a362
hex2660c6

2515142 has 32 divisors (see below), whose sum is σ = 4603392. Its totient is φ = 1007424.

The previous prime is 2515127. The next prime is 2515147. The reversal of 2515142 is 2415152.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23453 + ... + 23559.

It is an arithmetic number, because the mean of its divisors is an integer number (143856).

22515142 is an apocalyptic number.

2515142 is a deficient number, since it is larger than the sum of its proper divisors (2088250).

2515142 is a wasteful number, since it uses less digits than its factorization.

2515142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its digits is 400, while the sum is 20.

The square root of 2515142 is about 1585.9199223164. The cubic root of 2515142 is about 135.9943408833.

The spelling of 2515142 in words is "two million, five hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 23 46 73 107 146 161 214 322 511 749 1022 1498 1679 2461 3358 4922 7811 11753 15622 17227 23506 34454 54677 109354 179653 359306 1257571 2515142