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3405352530 = 235113511751
BaseRepresentation
bin1100101011111001…
…1000111001010010
322210022202211110210
43022332120321102
523433232240110
61321524304550
7150250006326
oct31276307122
98708684423
103405352530
111498261838
127b0542156
1342367b1c8
142443a1986
1514de63520
hexcaf98e52

3405352530 has 16 divisors (see below), whose sum is σ = 8172846144. Its totient is φ = 908094000.

The previous prime is 3405352487. The next prime is 3405352537. The reversal of 3405352530 is 352535043.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 113511751 = 3405352530 / (3 + 4 + 0 + 5 + 3 + 5 + 2 + 5 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (3405352537) 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 7 ways as a sum of consecutive naturals, for example, 56755846 + ... + 56755905.

It is an arithmetic number, because the mean of its divisors is an integer number (510802884).

Almost surely, 23405352530 is an apocalyptic number.

3405352530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3405352530 is an abundant number, since it is smaller than the sum of its proper divisors (4767493614).

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

3405352530 is a wasteful number, since it uses less digits than its factorization.

3405352530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113511761.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 3405352530 is about 58355.3984649235. The cubic root of 3405352530 is about 1504.4832580262.

Adding to 3405352530 its reverse (352535043), we get a palindrome (3757887573).

The spelling of 3405352530 in words is "three billion, four hundred five million, three hundred fifty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 113511751 227023502 340535253 567558755 681070506 1135117510 1702676265 3405352530