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213045154 = 2715217511
BaseRepresentation
bin11001011001011…
…00111110100010
3112211212211000021
430230230332202
5414014421104
633050144054
75164565620
oct1454547642
9484784007
10213045154
11aa292a83
125b42202a
13351a3c2a
142041a510
1513a84754
hexcb2cfa2

213045154 has 8 divisors (see below), whose sum is σ = 365220288. Its totient is φ = 91305060.

The previous prime is 213045137. The next prime is 213045163. The reversal of 213045154 is 451540312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7608742 + ... + 7608769.

It is an arithmetic number, because the mean of its divisors is an integer number (45652536).

Almost surely, 2213045154 is an apocalyptic number.

213045154 is a deficient number, since it is larger than the sum of its proper divisors (152175134).

213045154 is a wasteful number, since it uses less digits than its factorization.

213045154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217520.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 213045154 is about 14596.0663879005. The cubic root of 213045154 is about 597.2514599196.

Adding to 213045154 its reverse (451540312), we get a palindrome (664585466).

The spelling of 213045154 in words is "two hundred thirteen million, forty-five thousand, one hundred fifty-four".

Divisors: 1 2 7 14 15217511 30435022 106522577 213045154