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19700330 = 2513211657
BaseRepresentation
bin100101100100…
…1101001101010
31101001212202212
41023021221222
520020402310
61542125122
7326310236
oct113115152
941055685
1019700330
1110136171
1267207a2
134109c00
14288b5c6
151ae2205
hex12c9a6a

19700330 has 24 divisors (see below), whose sum is σ = 38401452. Its totient is φ = 7273344.

The previous prime is 19700323. The next prime is 19700341. The reversal of 19700330 is 3300791.

19700330 = 2752 + 2762 + ... + 4302.

It can be written as a sum of positive squares in 6 ways, for example, as 3644281 + 16056049 = 1909^2 + 4007^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19700296 and 19700305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4139 + ... + 7518.

Almost surely, 219700330 is an apocalyptic number.

19700330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19700330 is a deficient number, since it is larger than the sum of its proper divisors (18701122).

19700330 is a wasteful number, since it uses less digits than its factorization.

19700330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 19700330 is about 4438.5053790662. The cubic root of 19700330 is about 270.0792177247.

The spelling of 19700330 in words is "nineteen million, seven hundred thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 11657 23314 58285 116570 151541 303082 757705 1515410 1970033 3940066 9850165 19700330