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53797240 = 2357192133
BaseRepresentation
bin1100110100111…
…0000101111000
310202020011221101
43031032011320
5102233002430
65201021144
71222161160
oct315160570
9122204841
1053797240
1128404732
12160247b4
13b1b78b3
1472055a0
154ac9dca
hex334e178

53797240 has 32 divisors (see below), whose sum is σ = 138336480. Its totient is φ = 18444672.

The previous prime is 53797217. The next prime is 53797241. The reversal of 53797240 is 4279735.

53797240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53797240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53797241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 95787 + ... + 96346.

It is an arithmetic number, because the mean of its divisors is an integer number (4323015).

Almost surely, 253797240 is an apocalyptic number.

It is an amenable number.

53797240 is an abundant number, since it is smaller than the sum of its proper divisors (84539240).

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

53797240 is a wasteful number, since it uses less digits than its factorization.

53797240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192151 (or 192147 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 53797240 is about 7334.6601829942. The cubic root of 53797240 is about 377.5026446023.

The spelling of 53797240 in words is "fifty-three million, seven hundred ninety-seven thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 192133 384266 768532 960665 1344931 1537064 1921330 2689862 3842660 5379724 6724655 7685320 10759448 13449310 26898620 53797240