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213443148 = 22361793691
BaseRepresentation
bin11001011100011…
…10001001001100
3112212122000221210
430232032021030
5414120140043
633102454420
75201144142
oct1456161114
9485560853
10213443148
11aa534aa6
125b594410
13352b3129
14204c1592
1513b12633
hexcb8e24c

213443148 has 48 divisors (see below), whose sum is σ = 512744960. Its totient is φ = 69076800.

The previous prime is 213443107. The next prime is 213443149. The reversal of 213443148 is 841344312.

It is not an unprimeable number, because it can be changed into a prime (213443149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55983 + ... + 59673.

Almost surely, 2213443148 is an apocalyptic number.

It is an amenable number.

213443148 is an abundant number, since it is smaller than the sum of its proper divisors (299301812).

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

213443148 is a wasteful number, since it uses less digits than its factorization.

213443148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3836 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 213443148 is about 14609.6936312847. The cubic root of 213443148 is about 597.6231411141.

The spelling of 213443148 in words is "two hundred thirteen million, four hundred forty-three thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 61 79 122 158 183 237 244 316 366 474 732 948 3691 4819 7382 9638 11073 14457 14764 19276 22146 28914 44292 57828 225151 291589 450302 583178 675453 874767 900604 1166356 1350906 1749534 2701812 3499068 17786929 35573858 53360787 71147716 106721574 213443148