Search a number
-
+
33490541 = 75390271
BaseRepresentation
bin111111111000…
…0011001101101
32100000111101102
41333300121231
532033144131
63153452445
7554444030
oct177603155
970014342
1033490541
11179a4a37
12b271125
136c279b6
14463b017
152e181cb
hex1ff066d

33490541 has 8 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 28164240.

The previous prime is 33490537. The next prime is 33490547. The reversal of 33490541 is 14509433.

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 33490541 - 22 = 33490537 is a prime.

It is a super-2 number, since 2×334905412 = 2243232672945362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33490547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44765 + ... + 45506.

It is an arithmetic number, because the mean of its divisors is an integer number (4874688).

Almost surely, 233490541 is an apocalyptic number.

It is an amenable number.

33490541 is a deficient number, since it is larger than the sum of its proper divisors (5506963).

33490541 is an equidigital number, since it uses as much as digits as its factorization.

33490541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90331.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 33490541 is about 5787.1012605621. The cubic root of 33490541 is about 322.3349426789.

Adding to 33490541 its reverse (14509433), we get a palindrome (47999974).

The spelling of 33490541 in words is "thirty-three million, four hundred ninety thousand, five hundred forty-one".

Divisors: 1 7 53 371 90271 631897 4784363 33490541