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213679485 = 3351582811
BaseRepresentation
bin11001011110001…
…11110101111101
3112220002001011000
430233013311331
5414200220420
633111520513
75203150155
oct1457076575
9486061130
10213679485
11aa686618
125b689139
1335366886
1420543765
1513b5c690
hexcbc7d7d

213679485 has 16 divisors (see below), whose sum is σ = 379874880. Its totient is φ = 113962320.

The previous prime is 213679483. The next prime is 213679547. The reversal of 213679485 is 584976312.

It is not a de Polignac number, because 213679485 - 21 = 213679483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 213679485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213679481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791271 + ... + 791540.

It is an arithmetic number, because the mean of its divisors is an integer number (23742180).

Almost surely, 2213679485 is an apocalyptic number.

It is an amenable number.

213679485 is a deficient number, since it is larger than the sum of its proper divisors (166195395).

213679485 is a wasteful number, since it uses less digits than its factorization.

213679485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582825 (or 1582819 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 213679485 is about 14617.7797561736. The cubic root of 213679485 is about 597.8436344301.

The spelling of 213679485 in words is "two hundred thirteen million, six hundred seventy-nine thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 1582811 4748433 7914055 14245299 23742165 42735897 71226495 213679485