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7420620532 = 22131283111227
BaseRepresentation
bin1101110100100110…
…11010111011110100
3201011011012120200111
412322103122323310
5110144134324112
63224201352404
7351614143123
oct67223327364
921134176614
107420620532
113168824046
121531198704
139134b7230
1450576baba
152d67025a7
hex1ba4daef4

7420620532 has 24 divisors (see below), whose sum is σ = 13996041696. Its totient is φ = 3422201568.

The previous prime is 7420620509. The next prime is 7420620533. The reversal of 7420620532 is 2350260247.

It is a junction number, because it is equal to n+sod(n) for n = 7420620494 and 7420620503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420620533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11103 + ... + 122329.

It is an arithmetic number, because the mean of its divisors is an integer number (583168404).

Almost surely, 27420620532 is an apocalyptic number.

It is an amenable number.

7420620532 is a deficient number, since it is larger than the sum of its proper divisors (6575421164).

7420620532 is a wasteful number, since it uses less digits than its factorization.

7420620532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112527 (or 112525 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 7420620532 is about 86143.0236989624. The cubic root of 7420620532 is about 1950.5035326437.

Adding to 7420620532 its reverse (2350260247), we get a palindrome (9770880779).

The spelling of 7420620532 in words is "seven billion, four hundred twenty million, six hundred twenty thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 52 1283 2566 5132 16679 33358 66716 111227 222454 444908 1445951 2891902 5783804 142704241 285408482 570816964 1855155133 3710310266 7420620532