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3230730 = 232535897
BaseRepresentation
bin1100010100110000001010
320002010201200
430110300022
51311340410
6153125030
736314016
oct14246012
96063650
103230730
111907328
1210b9776
13891699
14601546
1543c3c0
hex314c0a

3230730 has 24 divisors (see below), whose sum is σ = 8400132. Its totient is φ = 861504.

The previous prime is 3230723. The next prime is 3230737. The reversal of 3230730 is 370323.

It is an interprime number because it is at equal distance from previous prime (3230723) and next prime (3230737).

It can be written as a sum of positive squares in 2 ways, for example, as 3229209 + 1521 = 1797^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3230737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17859 + ... + 18038.

Almost surely, 23230730 is an apocalyptic number.

3230730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3230730 is an abundant number, since it is smaller than the sum of its proper divisors (5169402).

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

3230730 is a wasteful number, since it uses less digits than its factorization.

3230730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35910 (or 35907 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 3230730 is about 1797.4231555201. The cubic root of 3230730 is about 147.8314675214.

The spelling of 3230730 in words is "three million, two hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 35897 71794 107691 179485 215382 323073 358970 538455 646146 1076910 1615365 3230730