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52693897 = 17192341173
BaseRepresentation
bin1100100100000…
…0101110001001
310200011010102211
43021000232021
5101442201042
65121225121
71206614344
oct311005611
9120133384
1052693897
1127820783
12157921a1
13abbc629
146dd945b
15495d017
hex3240b89

52693897 has 32 divisors (see below), whose sum is σ = 63141120. Its totient is φ = 43591680.

The previous prime is 52693889. The next prime is 52693919. The reversal of 52693897 is 79839625.

It is a cyclic number.

It is not a de Polignac number, because 52693897 - 23 = 52693889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52693897.

It is not an unprimeable number, because it can be changed into a prime (52693097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304503 + ... + 304675.

It is an arithmetic number, because the mean of its divisors is an integer number (1973160).

Almost surely, 252693897 is an apocalyptic number.

It is an amenable number.

52693897 is a deficient number, since it is larger than the sum of its proper divisors (10447223).

52693897 is a wasteful number, since it uses less digits than its factorization.

52693897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 816480, while the sum is 49.

The square root of 52693897 is about 7259.0562058714. The cubic root of 52693897 is about 374.9040275884.

The spelling of 52693897 in words is "fifty-two million, six hundred ninety-three thousand, eight hundred ninety-seven".

Divisors: 1 17 19 23 41 173 323 391 437 697 779 943 2941 3287 3979 7093 7429 13243 16031 17917 55879 67643 75601 120581 134767 163139 304589 1285217 2291039 2773363 3099641 52693897