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330637420 = 225172342281
BaseRepresentation
bin10011101101010…
…010000001101100
3212001011010021101
4103231102001230
51134120344140
652450412444
711123241331
oct2355220154
9761133241
10330637420
1115a6aa873
1292891124
1353666c59
1431caa988
151e06199a
hex13b5206c

330637420 has 48 divisors (see below), whose sum is σ = 767164608. Its totient is φ = 119060480.

The previous prime is 330637409. The next prime is 330637423. The reversal of 330637420 is 24736033.

It is a super-2 number, since 2×3306374202 = 218642207008512800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330637423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13321 + ... + 28960.

It is an arithmetic number, because the mean of its divisors is an integer number (15982596).

Almost surely, 2330637420 is an apocalyptic number.

It is an amenable number.

330637420 is an abundant number, since it is smaller than the sum of its proper divisors (436527188).

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

330637420 is a wasteful number, since it uses less digits than its factorization.

330637420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330 (or 42328 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 330637420 is about 18183.4380687482. The cubic root of 330637420 is about 691.4869703667.

The spelling of 330637420 in words is "three hundred thirty million, six hundred thirty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 170 230 340 391 460 782 1564 1955 3910 7820 42281 84562 169124 211405 422810 718777 845620 972463 1437554 1944926 2875108 3593885 3889852 4862315 7187770 9724630 14375540 16531871 19449260 33063742 66127484 82659355 165318710 330637420