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52358661 = 3219306191
BaseRepresentation
bin1100011110111…
…0111000000101
310122112002120200
43013232320011
5101400434121
65110121113
71204020105
oct307567005
9118462520
1052358661
1127611923
1215650199
13ab02b74
146d4d205
1548e3a26
hex31eee05

52358661 has 12 divisors (see below), whose sum is σ = 79609920. Its totient is φ = 33068520.

The previous prime is 52358629. The next prime is 52358687. The reversal of 52358661 is 16685325.

It is not a de Polignac number, because 52358661 - 25 = 52358629 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52358161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152925 + ... + 153266.

It is an arithmetic number, because the mean of its divisors is an integer number (6634160).

Almost surely, 252358661 is an apocalyptic number.

It is an amenable number.

52358661 is a deficient number, since it is larger than the sum of its proper divisors (27251259).

52358661 is a wasteful number, since it uses less digits than its factorization.

52358661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306216 (or 306213 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52358661 is about 7235.9284822336. The cubic root of 52358661 is about 374.1072952282.

The spelling of 52358661 in words is "fifty-two million, three hundred fifty-eight thousand, six hundred sixty-one".

Divisors: 1 3 9 19 57 171 306191 918573 2755719 5817629 17452887 52358661