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52098140 = 2252604907
BaseRepresentation
bin1100011010111…
…1010001011100
310122000212012202
43012233101130
5101314120030
65100351032
71201553423
oct306572134
9118025182
1052098140
1127454116
1215545478
13aa41403
146cc22ba
154891745
hex31af45c

52098140 has 12 divisors (see below), whose sum is σ = 109406136. Its totient is φ = 20839248.

The previous prime is 52098139. The next prime is 52098143. The reversal of 52098140 is 4189025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52098143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302434 + ... + 1302473.

It is an arithmetic number, because the mean of its divisors is an integer number (9117178).

Almost surely, 252098140 is an apocalyptic number.

It is an amenable number.

52098140 is an abundant number, since it is smaller than the sum of its proper divisors (57307996).

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

52098140 is a wasteful number, since it uses less digits than its factorization.

52098140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604916 (or 2604914 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 52098140 is about 7217.9041279308. The cubic root of 52098140 is about 373.4857813487.

The spelling of 52098140 in words is "fifty-two million, ninety-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2604907 5209814 10419628 13024535 26049070 52098140