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103303020 = 22351721717
BaseRepresentation
bin1100010100001…
…00011101101100
321012101100002210
412022010131230
5202421144040
614130050420
72363026662
oct612043554
9235340083
10103303020
11533480a7
122a719a10
131852c062
14da10c32
159108480
hex628476c

103303020 has 24 divisors (see below), whose sum is σ = 289248624. Its totient is φ = 27547456.

The previous prime is 103302961. The next prime is 103303021. The reversal of 103303020 is 20303301.

It is a happy number.

It is a super-2 number, since 2×1033030202 = 21343027882240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103302987 and 103303005.

It is not an unprimeable number, because it can be changed into a prime (103303021) 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, 860799 + ... + 860918.

It is an arithmetic number, because the mean of its divisors is an integer number (12052026).

Almost surely, 2103303020 is an apocalyptic number.

103303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103303020 is an abundant number, since it is smaller than the sum of its proper divisors (185945604).

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

103303020 is a wasteful number, since it uses less digits than its factorization.

103303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721729 (or 1721727 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 103303020 is about 10163.8093252481. The cubic root of 103303020 is about 469.2140478333.

Adding to 103303020 its reverse (20303301), we get a palindrome (123606321).

The spelling of 103303020 in words is "one hundred three million, three hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1721717 3443434 5165151 6886868 8608585 10330302 17217170 20660604 25825755 34434340 51651510 103303020