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3102393 = 37241613
BaseRepresentation
bin1011110101011010111001
312211121200110
423311122321
51243234033
6150254533
735240610
oct13653271
95747613
103102393
111829968
121057449
13848148
145aa877
15414363
hex2f56b9

3102393 has 16 divisors (see below), whose sum is σ = 4754816. Its totient is φ = 1762560.

The previous prime is 3102389. The next prime is 3102419. The reversal of 3102393 is 3932013.

It is not a de Polignac number, because 3102393 - 22 = 3102389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3102343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (297176).

Almost surely, 23102393 is an apocalyptic number.

It is an amenable number.

3102393 is a deficient number, since it is larger than the sum of its proper divisors (1652423).

3102393 is a wasteful number, since it uses less digits than its factorization.

3102393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3102393 is about 1761.3611214058. The cubic root of 3102393 is about 145.8474825637.

The spelling of 3102393 in words is "three million, one hundred two thousand, three hundred ninety-three".

Divisors: 1 3 7 21 241 613 723 1687 1839 4291 5061 12873 147733 443199 1034131 3102393