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652405442 = 213231090979
BaseRepresentation
bin100110111000101…
…110101011000010
31200110121122000112
4212320232223002
52314003433232
6144423151322
722111232453
oct4670565302
91613548015
10652405442
113052a1957
121625a5542
13a5216b30
146290912a
153c4204b2
hex26e2eac2

652405442 has 16 divisors (see below), whose sum is σ = 1099707840. Its totient is φ = 288018192.

The previous prime is 652405361. The next prime is 652405483. The reversal of 652405442 is 244504256.

652405442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6524054423 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652405399 and 652405408.

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, 544892 + ... + 546087.

It is an arithmetic number, because the mean of its divisors is an integer number (68731740).

Almost surely, 2652405442 is an apocalyptic number.

652405442 is a deficient number, since it is larger than the sum of its proper divisors (447302398).

652405442 is a wasteful number, since it uses less digits than its factorization.

652405442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091017.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 652405442 is about 25542.2286028451. The cubic root of 652405442 is about 867.3063478247.

Adding to 652405442 its reverse (244504256), we get a palindrome (896909698).

The spelling of 652405442 in words is "six hundred fifty-two million, four hundred five thousand, four hundred forty-two".

Divisors: 1 2 13 23 26 46 299 598 1090979 2181958 14182727 25092517 28365454 50185034 326202721 652405442