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10212045 = 35680803
BaseRepresentation
bin100110111101…
…001011001101
3201012211021220
4212331023031
510103241140
61002513553
7152541504
oct46751315
921184256
1010212045
115845508
1235058b9
13216723c
1414db83b
15d6abd0
hex9bd2cd

10212045 has 8 divisors (see below), whose sum is σ = 16339296. Its totient is φ = 5446416.

The previous prime is 10212029. The next prime is 10212061. The reversal of 10212045 is 54021201.

It is an interprime number because it is at equal distance from previous prime (10212029) and next prime (10212061).

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

It is not a de Polignac number, because 10212045 - 24 = 10212029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 680803 = 10212045 / (1 + 0 + 2 + 1 + 2 + 0 + 4 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340387 + ... + 340416.

It is an arithmetic number, because the mean of its divisors is an integer number (2042412).

Almost surely, 210212045 is an apocalyptic number.

10212045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212045 is a deficient number, since it is larger than the sum of its proper divisors (6127251).

10212045 is an equidigital number, since it uses as much as digits as its factorization.

10212045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680811.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10212045 is about 3195.6290460565. The cubic root of 10212045 is about 216.9556210435.

Adding to 10212045 its reverse (54021201), we get a palindrome (64233246).

The spelling of 10212045 in words is "ten million, two hundred twelve thousand, forty-five".

Divisors: 1 3 5 15 680803 2042409 3404015 10212045