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53893870 = 255389387
BaseRepresentation
bin1100110110010…
…1101011101110
310202102002111021
43031211223232
5102244100440
65203044354
71223042662
oct315455356
9122362437
1053893870
1128470298
12160706ba
13b21c884
14722c8a2
154ae884a
hex3365aee

53893870 has 8 divisors (see below), whose sum is σ = 97008984. Its totient is φ = 21557544.

The previous prime is 53893843. The next prime is 53893871. The reversal of 53893870 is 7839835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53893871) 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, 2694684 + ... + 2694703.

It is an arithmetic number, because the mean of its divisors is an integer number (12126123).

Almost surely, 253893870 is an apocalyptic number.

53893870 is a deficient number, since it is larger than the sum of its proper divisors (43115114).

53893870 is a wasteful number, since it uses less digits than its factorization.

53893870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389394.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 53893870 is about 7341.2444449153. The cubic root of 53893870 is about 377.7285314186.

The spelling of 53893870 in words is "fifty-three million, eight hundred ninety-three thousand, eight hundred seventy".

Divisors: 1 2 5 10 5389387 10778774 26946935 53893870