Search a number
-
+
33989101 = 231477787
BaseRepresentation
bin1000000110101…
…0000111101101
32100221211021121
42001222013231
532200122401
63212300541
7561621406
oct201520755
970854247
1033989101
1118205573
12b471751
1370708c3
14472a9ad
152eb5ca1
hex206a1ed

33989101 has 4 divisors (see below), whose sum is σ = 35466912. Its totient is φ = 32511292.

The previous prime is 33989093. The next prime is 33989159. The reversal of 33989101 is 10198933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33989101 - 23 = 33989093 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 (33989701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738871 + ... + 738916.

It is an arithmetic number, because the mean of its divisors is an integer number (8866728).

Almost surely, 233989101 is an apocalyptic number.

It is an amenable number.

33989101 is a deficient number, since it is larger than the sum of its proper divisors (1477811).

33989101 is a wasteful number, since it uses less digits than its factorization.

33989101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477810.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 33989101 is about 5830.0172383965. The cubic root of 33989101 is about 323.9265602233.

The spelling of 33989101 in words is "thirty-three million, nine hundred eighty-nine thousand, one hundred one".

Divisors: 1 23 1477787 33989101