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42130122 = 237198897
BaseRepresentation
bin1010000010110…
…1101011001010
32221021102122220
42200231223022
541241130442
64102554510
71021046226
oct240555312
987242586
1042130122
1121865a91
1212138a36
138961288
145849786
153a72eec
hex282daca

42130122 has 16 divisors (see below), whose sum is σ = 85447872. Its totient is φ = 13845440.

The previous prime is 42130117. The next prime is 42130133. The reversal of 42130122 is 22103124.

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, 49023 + ... + 49874.

It is an arithmetic number, because the mean of its divisors is an integer number (5340492).

Almost surely, 242130122 is an apocalyptic number.

42130122 is an abundant number, since it is smaller than the sum of its proper divisors (43317750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42130122 is a wasteful number, since it uses less digits than its factorization.

42130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98973.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42130122 is about 6490.7720650166. The cubic root of 42130122 is about 347.9612686450.

Adding to 42130122 its reverse (22103124), we get a palindrome (64233246).

The spelling of 42130122 in words is "forty-two million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 71 142 213 426 98897 197794 296691 593382 7021687 14043374 21065061 42130122