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42211553 = 311817523
BaseRepresentation
bin1010000100000…
…1100011100001
32221102120100212
42201001203201
541301232203
64104423505
71021535516
oct241014341
987376325
1042211553
112191118a
1212177b95
13898c367
14586b30d
153a8c1d8
hex28418e1

42211553 has 8 divisors (see below), whose sum is σ = 43819776. Its totient is φ = 40618800.

The previous prime is 42211537. The next prime is 42211571. The reversal of 42211553 is 35511224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42211553 - 24 = 42211537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42211523) 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, 1850 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 242211553 is an apocalyptic number.

It is an amenable number.

42211553 is a deficient number, since it is larger than the sum of its proper divisors (1608223).

42211553 is a wasteful number, since it uses less digits than its factorization.

42211553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735.

The product of its digits is 1200, while the sum is 23.

The square root of 42211553 is about 6497.0418653415. The cubic root of 42211553 is about 348.1853094396.

Adding to 42211553 its reverse (35511224), we get a palindrome (77722777).

The spelling of 42211553 in words is "forty-two million, two hundred eleven thousand, five hundred fifty-three".

Divisors: 1 31 181 5611 7523 233213 1361663 42211553