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33742141 = 1371631511
BaseRepresentation
bin1000000010110…
…1110100111101
32100111021111221
42000231310331
532114222031
63203113341
7556542406
oct200556475
970437457
1033742141
1118056a74
12b372851
136cb5384
1446a49ad
152e67a11
hex202dd3d

33742141 has 8 divisors (see below), whose sum is σ = 34219584. Its totient is φ = 33268320.

The previous prime is 33742123. The next prime is 33742207. The reversal of 33742141 is 14124733.

33742141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 33742141 - 27 = 33742013 is a prime.

It is a super-2 number, since 2×337421412 = 2277064158527762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33742441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21576 + ... + 23086.

It is an arithmetic number, because the mean of its divisors is an integer number (4277448).

Almost surely, 233742141 is an apocalyptic number.

It is an amenable number.

33742141 is a deficient number, since it is larger than the sum of its proper divisors (477443).

33742141 is a wasteful number, since it uses less digits than its factorization.

33742141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its digits is 2016, while the sum is 25.

The square root of 33742141 is about 5808.7985849055. The cubic root of 33742141 is about 323.1401175542.

Adding to 33742141 its reverse (14124733), we get a palindrome (47866874).

The spelling of 33742141 in words is "thirty-three million, seven hundred forty-two thousand, one hundred forty-one".

Divisors: 1 137 163 1511 22331 207007 246293 33742141