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52921419 = 317640473
BaseRepresentation
bin1100100111100…
…0010001001011
310200120200112120
43021320101023
5102021441134
65130142323
71211552565
oct311702113
9120520476
1052921419
1127966711
12158819a3
13ac6c065
147058335
1549a5649
hex327844b

52921419 has 4 divisors (see below), whose sum is σ = 70561896. Its totient is φ = 35280944.

The previous prime is 52921411. The next prime is 52921439. The reversal of 52921419 is 91412925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52921419 - 23 = 52921411 is a prime.

It is a super-2 number, since 2×529214192 = 5601353177947122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52921419.

It is not an unprimeable number, because it can be changed into a prime (52921411) 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, 8820234 + ... + 8820239.

It is an arithmetic number, because the mean of its divisors is an integer number (17640474).

Almost surely, 252921419 is an apocalyptic number.

52921419 is a deficient number, since it is larger than the sum of its proper divisors (17640477).

52921419 is a wasteful number, since it uses less digits than its factorization.

52921419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640476.

The product of its digits is 6480, while the sum is 33.

The square root of 52921419 is about 7274.7109220917. The cubic root of 52921419 is about 375.4428403961.

The spelling of 52921419 in words is "fifty-two million, nine hundred twenty-one thousand, four hundred nineteen".

Divisors: 1 3 17640473 52921419