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212153053 = 742177187
BaseRepresentation
bin11001010010100…
…11001011011101
3112210012111021111
430221103023131
5413302344203
633015102021
75154162010
oct1451231335
9483174244
10212153053
11a9833802
125b071911
1334c50b68
1420267377
151395a26d
hexca532dd

212153053 has 8 divisors (see below), whose sum is σ = 242551872. Its totient is φ = 181777056.

The previous prime is 212153027. The next prime is 212153077. The reversal of 212153053 is 350351212.

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 212153053 - 225 = 178598621 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 (212153003) 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, 25926 + ... + 33112.

It is an arithmetic number, because the mean of its divisors is an integer number (30318984).

Almost surely, 2212153053 is an apocalyptic number.

It is an amenable number.

212153053 is a deficient number, since it is larger than the sum of its proper divisors (30398819).

212153053 is an equidigital number, since it uses as much as digits as its factorization.

212153053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 212153053 is about 14565.4746918870. The cubic root of 212153053 is about 596.4166540263.

The spelling of 212153053 in words is "two hundred twelve million, one hundred fifty-three thousand, fifty-three".

Divisors: 1 7 4217 7187 29519 50309 30307579 212153053