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30552203 = 112777473
BaseRepresentation
bin111010010001…
…1000010001011
32010111012202002
41310203002023
530310132303
63010501215
7520455323
oct164430213
963435662
1030552203
1116278360
12a29480b
136439436
1440b4283
152a37788
hex1d2308b

30552203 has 4 divisors (see below), whose sum is σ = 33329688. Its totient is φ = 27774720.

The previous prime is 30552191. The next prime is 30552251. The reversal of 30552203 is 30225503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30552203 - 28 = 30551947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30552253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388726 + ... + 1388747.

It is an arithmetic number, because the mean of its divisors is an integer number (8332422).

Almost surely, 230552203 is an apocalyptic number.

30552203 is a deficient number, since it is larger than the sum of its proper divisors (2777485).

30552203 is a wasteful number, since it uses less digits than its factorization.

30552203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777484.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30552203 is about 5527.4047255471. The cubic root of 30552203 is about 312.6181415706.

Adding to 30552203 its reverse (30225503), we get a palindrome (60777706).

The spelling of 30552203 in words is "thirty million, five hundred fifty-two thousand, two hundred three".

Divisors: 1 11 2777473 30552203