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53021607 = 321798111
BaseRepresentation
bin1100101001000…
…0101110100111
310200202202222020
43022100232213
5102033142412
65132234223
71212450642
oct312205647
9120682866
1053021607
1127a24a11
121590b973
13aca5842
147082a59
1549c518c
hex3290ba7

53021607 has 8 divisors (see below), whose sum is σ = 70736640. Its totient is φ = 35327160.

The previous prime is 53021587. The next prime is 53021621. The reversal of 53021607 is 70612035.

53021607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53021607 - 26 = 53021543 is a prime.

It is a super-2 number, since 2×530216072 = 5622581617724898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53021807) 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, 2482 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (8842080).

Almost surely, 253021607 is an apocalyptic number.

53021607 is a deficient number, since it is larger than the sum of its proper divisors (17715033).

53021607 is a wasteful number, since it uses less digits than its factorization.

53021607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 53021607 is about 7281.5937129175. The cubic root of 53021607 is about 375.6796138117.

It can be divided in two parts, 53021 and 607, that added together give a triangular number (53628 = T327).

The spelling of 53021607 in words is "fifty-three million, twenty-one thousand, six hundred seven".

Divisors: 1 3 2179 6537 8111 24333 17673869 53021607