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213554072 = 23191404961
BaseRepresentation
bin11001011101010…
…01001110011000
3112212211200010002
430232221032120
5414132212242
633105112132
75202115424
oct1456511630
9485750102
10213554072
11aa600376
125b628648
1335321774
142050db84
1513b35432
hexcba9398

213554072 has 16 divisors (see below), whose sum is σ = 421488600. Its totient is φ = 101157120.

The previous prime is 213554027. The next prime is 213554137. The reversal of 213554072 is 270455312.

It is a happy number.

213554072 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702329 + ... + 702632.

Almost surely, 2213554072 is an apocalyptic number.

It is an amenable number.

213554072 is a deficient number, since it is larger than the sum of its proper divisors (207934528).

213554072 is a wasteful number, since it uses less digits than its factorization.

213554072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404986 (or 1404982 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 213554072 is about 14613.4893848116. The cubic root of 213554072 is about 597.7266491907.

The spelling of 213554072 in words is "two hundred thirteen million, five hundred fifty-four thousand, seventy-two".

Divisors: 1 2 4 8 19 38 76 152 1404961 2809922 5619844 11239688 26694259 53388518 106777036 213554072