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5415021420 = 2235149360449
BaseRepresentation
bin1010000101100001…
…01010101101101100
3111222101022120220220
411002300222231230
542042221141140
62253154411340
7251121631314
oct50260525554
914871276826
105415021420
112329702816
121071590b50
13683b2c4b3
14395256444
1521a5d5bd0
hex142c2ab6c

5415021420 has 48 divisors (see below), whose sum is σ = 15172466400. Its totient is φ = 1443014656.

The previous prime is 5415021389. The next prime is 5415021421. The reversal of 5415021420 is 241205145.

It is not an unprimeable number, because it can be changed into a prime (5415021421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59356 + ... + 119804.

It is an arithmetic number, because the mean of its divisors is an integer number (316093050).

Almost surely, 25415021420 is an apocalyptic number.

It is an amenable number.

5415021420 is an abundant number, since it is smaller than the sum of its proper divisors (9757444980).

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

5415021420 is a wasteful number, since it uses less digits than its factorization.

5415021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61954 (or 61952 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 5415021420 is about 73586.8291204343. The cubic root of 5415021420 is about 1756.0359108511.

Adding to 5415021420 its reverse (241205145), we get a palindrome (5656226565).

The spelling of 5415021420 in words is "five billion, four hundred fifteen million, twenty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1493 2986 4479 5972 7465 8958 14930 17916 22395 29860 44790 60449 89580 120898 181347 241796 302245 362694 604490 725388 906735 1208980 1813470 3626940 90250357 180500714 270751071 361001428 451251785 541502142 902503570 1083004284 1353755355 1805007140 2707510710 5415021420