Search a number
-
+
233153628 = 22319429469
BaseRepresentation
bin11011110010110…
…10010001011100
3121020201102122120
431321122101130
5434141404003
635045142540
75530526121
oct1571322134
9536642576
10233153628
1110a677854
12660baa50
13393c4836
1422d72748
1515707853
hexde5a45c

233153628 has 12 divisors (see below), whose sum is σ = 544025160. Its totient is φ = 77717872.

The previous prime is 233153621. The next prime is 233153633. The reversal of 233153628 is 826351332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2331536282 = 108721228499124768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233153621) 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, 9714723 + ... + 9714746.

It is an arithmetic number, because the mean of its divisors is an integer number (45335430).

Almost surely, 2233153628 is an apocalyptic number.

It is an amenable number.

233153628 is an abundant number, since it is smaller than the sum of its proper divisors (310871532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233153628 is a wasteful number, since it uses less digits than its factorization.

233153628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429476 (or 19429474 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 233153628 is about 15269.3689457030. The cubic root of 233153628 is about 615.4801617333.

The spelling of 233153628 in words is "two hundred thirty-three million, one hundred fifty-three thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19429469 38858938 58288407 77717876 116576814 233153628