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42392097 = 32111931727
BaseRepresentation
bin1010000110110…
…1101000100001
32221202202000200
42201231220201
541323021342
64112335413
71023220056
oct241555041
987682020
1042392097
1121a248a0
1212244569
138a235a7
1458b702d
153ac594c
hex286da21

42392097 has 48 divisors (see below), whose sum is σ = 72683520. Its totient is φ = 23522400.

The previous prime is 42392089. The next prime is 42392117. The reversal of 42392097 is 79029324.

It is not a de Polignac number, because 42392097 - 23 = 42392089 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (42392027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57948 + ... + 58674.

It is an arithmetic number, because the mean of its divisors is an integer number (1514240).

Almost surely, 242392097 is an apocalyptic number.

It is an amenable number.

42392097 is a deficient number, since it is larger than the sum of its proper divisors (30291423).

42392097 is a wasteful number, since it uses less digits than its factorization.

42392097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 42392097 is about 6510.9213633709. The cubic root of 42392097 is about 348.6810138339.

It can be divided in two parts, 4239 and 2097, that added together give a palindrome (6336).

The spelling of 42392097 in words is "forty-two million, three hundred ninety-two thousand, ninety-seven".

Divisors: 1 3 9 11 19 31 33 57 93 99 171 209 279 341 589 627 727 1023 1767 1881 2181 3069 5301 6479 6543 7997 13813 19437 22537 23991 41439 58311 67611 71973 124317 151943 202833 247907 428203 455829 743721 1284609 1367487 2231163 3853827 4710233 14130699 42392097