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30553206 = 236776003
BaseRepresentation
bin111010010001…
…1010001110110
32010111021010020
41310203101312
530310200311
63010510010
7520461255
oct164432166
963437106
1030553206
1116279092
12a295306
136439a28
1440b479c
152a37c06
hex1d23476

30553206 has 16 divisors (see below), whose sum is σ = 62019264. Its totient is φ = 10032264.

The previous prime is 30553183. The next prime is 30553219. The reversal of 30553206 is 60235503.

It is a congruent number.

It is an unprimeable number.

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, 37600 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (3876204).

Almost surely, 230553206 is an apocalyptic number.

30553206 is an abundant number, since it is smaller than the sum of its proper divisors (31466058).

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

30553206 is a wasteful number, since it uses less digits than its factorization.

30553206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76075.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30553206 is about 5527.4954545436. The cubic root of 30553206 is about 312.6215625194.

Adding to 30553206 its reverse (60235503), we get a palindrome (90788709).

The spelling of 30553206 in words is "thirty million, five hundred fifty-three thousand, two hundred six".

Divisors: 1 2 3 6 67 134 201 402 76003 152006 228009 456018 5092201 10184402 15276603 30553206