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641433414 = 23415725717
BaseRepresentation
bin100110001110110…
…111111101000110
31122200222012020010
4212032313331012
52303201332124
6143352051050
721616044156
oct4616677506
91580865203
10641433414
112aa088466
1215a993a86
13a2b749cb
1461290766
153b4a4529
hex263b7f46

641433414 has 16 divisors (see below), whose sum is σ = 1283225328. Its totient is φ = 213751392.

The previous prime is 641433349. The next prime is 641433491. The reversal of 641433414 is 414334146.

It is a super-2 number, since 2×6414334142 = 822873649191390792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12084 + ... + 37800.

It is an arithmetic number, because the mean of its divisors is an integer number (80201583).

Almost surely, 2641433414 is an apocalyptic number.

641433414 is an abundant number, since it is smaller than the sum of its proper divisors (641791914).

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

641433414 is a wasteful number, since it uses less digits than its factorization.

641433414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29879.

The product of its digits is 13824, while the sum is 30.

The square root of 641433414 is about 25326.5357678463. The cubic root of 641433414 is about 862.4167706288.

The spelling of 641433414 in words is "six hundred forty-one million, four hundred thirty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 4157 8314 12471 24942 25717 51434 77151 154302 106905569 213811138 320716707 641433414