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385661362 = 2192830681
BaseRepresentation
bin10110111111001…
…011100110110010
3222212200121221011
4112333023212302
51242212130422
6102134021134
712362032102
oct2677134662
9885617834
10385661362
111887720a9
12a91a77aa
1361b90cb8
1439311202
1523cd0077
hex16fcb9b2

385661362 has 4 divisors (see below), whose sum is σ = 578492046. Its totient is φ = 192830680.

The previous prime is 385661333. The next prime is 385661377. The reversal of 385661362 is 263166583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263166583 = 475599289.

It can be written as a sum of positive squares in only one way, i.e., 376786921 + 8874441 = 19411^2 + 2979^2 .

It is a super-2 number, since 2×3856613622 = 297469372279390088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96415339 + ... + 96415342.

Almost surely, 2385661362 is an apocalyptic number.

385661362 is a deficient number, since it is larger than the sum of its proper divisors (192830684).

385661362 is a wasteful number, since it uses less digits than its factorization.

385661362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192830683.

The product of its digits is 155520, while the sum is 40.

The square root of 385661362 is about 19638.2627032026. The cubic root of 385661362 is about 727.8949565161.

The spelling of 385661362 in words is "three hundred eighty-five million, six hundred sixty-one thousand, three hundred sixty-two".

Divisors: 1 2 192830681 385661362