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233401530 = 23547165533
BaseRepresentation
bin11011110100101…
…10110010111010
3121021012000201010
431322112302322
5434222322110
635054334350
75532610635
oct1572266272
9537160633
10233401530
1110a82702a
12661ba3b6
133948061b
1422dd8c1c
1515756020
hexde96cba

233401530 has 32 divisors (see below), whose sum is σ = 572085504. Its totient is φ = 60915776.

The previous prime is 233401523. The next prime is 233401537. The reversal of 233401530 is 35104332.

It is an interprime number because it is at equal distance from previous prime (233401523) and next prime (233401537).

It is a junction number, because it is equal to n+sod(n) for n = 233401497 and 233401506.

It is not an unprimeable number, because it can be changed into a prime (233401537) 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 15 ways as a sum of consecutive naturals, for example, 81357 + ... + 84176.

It is an arithmetic number, because the mean of its divisors is an integer number (17877672).

Almost surely, 2233401530 is an apocalyptic number.

233401530 is an abundant number, since it is smaller than the sum of its proper divisors (338683974).

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

233401530 is a wasteful number, since it uses less digits than its factorization.

233401530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165590.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 233401530 is about 15277.4844133450. The cubic root of 233401530 is about 615.6982221306.

Adding to 233401530 its reverse (35104332), we get a palindrome (268505862).

The spelling of 233401530 in words is "two hundred thirty-three million, four hundred one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 165533 331066 496599 827665 993198 1655330 2482995 4965990 7780051 15560102 23340153 38900255 46680306 77800510 116700765 233401530