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385797222 = 23315234691
BaseRepresentation
bin10110111111101…
…100110001100110
3222212221112022000
4112333230301212
51242231002342
6102140550130
712363136146
oct2677546146
9885845260
10385797222
11188855188
12a9252346
1361c0aaa5
1439348926
1523d0a44c
hex16fecc66

385797222 has 32 divisors (see below), whose sum is σ = 858072960. Its totient is φ = 128487240.

The previous prime is 385797149. The next prime is 385797287. The reversal of 385797222 is 222797583.

385797222 is a `hidden beast` number, since 3 + 8 + 579 + 72 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79897 + ... + 84587.

It is an arithmetic number, because the mean of its divisors is an integer number (26814780).

Almost surely, 2385797222 is an apocalyptic number.

385797222 is an abundant number, since it is smaller than the sum of its proper divisors (472275738).

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

385797222 is a wasteful number, since it uses less digits than its factorization.

385797222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225 (or 6219 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 385797222 is about 19641.7214622344. The cubic root of 385797222 is about 727.9804202660.

The spelling of 385797222 in words is "three hundred eighty-five million, seven hundred ninety-seven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 1523 3046 4569 4691 9138 9382 13707 14073 27414 28146 41121 42219 82242 84438 126657 253314 7144393 14288786 21433179 42866358 64299537 128599074 192898611 385797222