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103221030 = 235111671873
BaseRepresentation
bin1100010011100…
…00011100100110
321012020011122010
412021300130212
5202411033110
614124215050
72362235643
oct611603446
9235204563
10103221030
11532a1540
122a69a486
1318500943
14d9ccdca
1590de020
hex6270726

103221030 has 64 divisors (see below), whose sum is σ = 272014848. Its totient is φ = 24860160.

The previous prime is 103221017. The next prime is 103221061. The reversal of 103221030 is 30122301.

It is a happy number.

103221030 is nontrivially palindromic in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 103220997 and 103221015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54174 + ... + 56046.

It is an arithmetic number, because the mean of its divisors is an integer number (4250232).

Almost surely, 2103221030 is an apocalyptic number.

103221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136007424).

103221030 is an abundant number, since it is smaller than the sum of its proper divisors (168793818).

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

103221030 is a wasteful number, since it uses less digits than its factorization.

103221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103221030 is about 10159.7750959359. The cubic root of 103221030 is about 469.0898790137.

Adding to 103221030 its reverse (30122301), we get a palindrome (133343331).

The spelling of 103221030 in words is "one hundred three million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 167 330 334 501 835 1002 1670 1837 1873 2505 3674 3746 5010 5511 5619 9185 9365 11022 11238 18370 18730 20603 27555 28095 41206 55110 56190 61809 103015 123618 206030 309045 312791 618090 625582 938373 1563955 1876746 3127910 3440701 4691865 6881402 9383730 10322103 17203505 20644206 34407010 51610515 103221030