Search a number
-
+
42341551 = 723793329
BaseRepresentation
bin1010000110000…
…1010010101111
32221200011200121
42201201102233
541314412201
64111305411
71022616520
oct241412257
987604617
1042341551
112199a91a
121221b267
138a06595
1458a2847
153ab59a1
hex28614af

42341551 has 16 divisors (see below), whose sum is σ = 51148800. Its totient is φ = 34265088.

The previous prime is 42341539. The next prime is 42341569. The reversal of 42341551 is 15514324.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42341551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42341591) 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, 11055 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (3196800).

Almost surely, 242341551 is an apocalyptic number.

42341551 is a deficient number, since it is larger than the sum of its proper divisors (8807249).

42341551 is a wasteful number, since it uses less digits than its factorization.

42341551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438.

The product of its digits is 2400, while the sum is 25.

The square root of 42341551 is about 6507.0385737292. The cubic root of 42341551 is about 348.5423760435.

Adding to 42341551 its reverse (15514324), we get a palindrome (57855875).

The spelling of 42341551 in words is "forty-two million, three hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 7 23 79 161 553 1817 3329 12719 23303 76567 262991 535969 1840937 6048793 42341551