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42211437 = 333142509
BaseRepresentation
bin1010000100000…
…1100001101101
32221102120012120
42201001201231
541301231222
64104423153
71021535262
oct241014155
987376176
1042211437
1121911094
1212177ab9
13898c2a8
14586b269
153a8c15c
hex284186d

42211437 has 8 divisors (see below), whose sum is σ = 56453280. Its totient is φ = 28055280.

The previous prime is 42211409. The next prime is 42211439. The reversal of 42211437 is 73411224.

It is a happy number.

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

It is not a de Polignac number, because 42211437 - 211 = 42209389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211439) 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, 20262 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (7056660).

Almost surely, 242211437 is an apocalyptic number.

It is an amenable number.

42211437 is a deficient number, since it is larger than the sum of its proper divisors (14241843).

42211437 is a wasteful number, since it uses less digits than its factorization.

42211437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42843.

The product of its digits is 1344, while the sum is 24.

The square root of 42211437 is about 6497.0329381957. The cubic root of 42211437 is about 348.1849904942.

The spelling of 42211437 in words is "forty-two million, two hundred eleven thousand, four hundred thirty-seven".

Divisors: 1 3 331 993 42509 127527 14070479 42211437