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10321993 = 116115383
BaseRepresentation
bin100111011000…
…000001001001
3201102102010001
4213120001021
510120300433
61005123001
7153510163
oct47300111
921372101
1010321993
115910080
123559461
1321a52b6
141529933
15d8d57d
hex9d8049

10321993 has 8 divisors (see below), whose sum is σ = 11445696. Its totient is φ = 9229200.

The previous prime is 10321979. The next prime is 10322003. The reversal of 10321993 is 39912301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10321993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7021 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (1430712).

Almost surely, 210321993 is an apocalyptic number.

It is an amenable number.

10321993 is a deficient number, since it is larger than the sum of its proper divisors (1123703).

10321993 is a wasteful number, since it uses less digits than its factorization.

10321993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15455.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 10321993 is about 3212.7858627677. The cubic root of 10321993 is about 217.7314609975.

It can be divided in two parts, 1032 and 1993, that added together give a square (3025 = 552).

The spelling of 10321993 in words is "ten million, three hundred twenty-one thousand, nine hundred ninety-three".

Divisors: 1 11 61 671 15383 169213 938363 10321993