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30703100 = 2252307031
BaseRepresentation
bin111010100011…
…1110111111100
32010202212201212
41311013313330
530324444400
63014023552
7521654261
oct165076774
963685655
1030703100
111637076a
12a347bb8
13649001c
144113268
152a67335
hex1d47dfc

30703100 has 18 divisors (see below), whose sum is σ = 66625944. Its totient is φ = 12281200.

The previous prime is 30703097. The next prime is 30703103. The reversal of 30703100 is 130703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30703097) and next prime (30703103).

It is a super-2 number, since 2×307031002 = 1885360699220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153416 + ... + 153615.

Almost surely, 230703100 is an apocalyptic number.

It is an amenable number.

30703100 is an abundant number, since it is smaller than the sum of its proper divisors (35922844).

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

30703100 is a wasteful number, since it uses less digits than its factorization.

30703100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307045 (or 307038 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 30703100 is about 5541.0378089307. The cubic root of 30703100 is about 313.1319691066.

Adding to 30703100 its reverse (130703), we get a palindrome (30833803).

It can be divided in two parts, 30703 and 100, that added together give a palindrome (30803).

The spelling of 30703100 in words is "thirty million, seven hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 307031 614062 1228124 1535155 3070310 6140620 7675775 15351550 30703100