Search a number
-
+
42153045 = 3511255473
BaseRepresentation
bin1010000011001…
…1010001010101
32221022121002220
42200303101111
541242344140
64103252553
71021203114
oct240632125
987277086
1042153045
1121881230
121214a159
13896b83c
145853c7b
153a79bd0
hex2833455

42153045 has 16 divisors (see below), whose sum is σ = 73576512. Its totient is φ = 20437760.

The previous prime is 42153019. The next prime is 42153071. The reversal of 42153045 is 54035124.

It is an interprime number because it is at equal distance from previous prime (42153019) and next prime (42153071).

It is not a de Polignac number, because 42153045 - 27 = 42152917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127572 + ... + 127901.

It is an arithmetic number, because the mean of its divisors is an integer number (4598532).

Almost surely, 242153045 is an apocalyptic number.

It is an amenable number.

42153045 is a deficient number, since it is larger than the sum of its proper divisors (31423467).

42153045 is a wasteful number, since it uses less digits than its factorization.

42153045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255492.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42153045 is about 6492.5376394750. The cubic root of 42153045 is about 348.0243657797.

Adding to 42153045 its reverse (54035124), we get a palindrome (96188169).

It can be divided in two parts, 4215 and 3045, that added together give a triangular number (7260 = T120).

The spelling of 42153045 in words is "forty-two million, one hundred fifty-three thousand, forty-five".

Divisors: 1 3 5 11 15 33 55 165 255473 766419 1277365 2810203 3832095 8430609 14051015 42153045