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52620570 = 2335194891
BaseRepresentation
bin1100100010111…
…0110100011010
310200000101212000
43020232310122
5101432324240
65115501430
71206160512
oct310566432
9120011760
1052620570
1127780682
1215757876
13ab95142
146dba842
154946430
hex322ed1a

52620570 has 32 divisors (see below), whose sum is σ = 140322240. Its totient is φ = 14032080.

The previous prime is 52620563. The next prime is 52620611. The reversal of 52620570 is 7502625.

52620570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97176 + ... + 97715.

It is an arithmetic number, because the mean of its divisors is an integer number (4385070).

Almost surely, 252620570 is an apocalyptic number.

52620570 is an abundant number, since it is smaller than the sum of its proper divisors (87701670).

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

52620570 is a wasteful number, since it uses less digits than its factorization.

52620570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194907 (or 194901 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52620570 is about 7254.0037220834. The cubic root of 52620570 is about 374.7300457125.

The spelling of 52620570 in words is "fifty-two million, six hundred twenty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 194891 389782 584673 974455 1169346 1754019 1948910 2923365 3508038 5262057 5846730 8770095 10524114 17540190 26310285 52620570