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52215054 = 2389277353
BaseRepresentation
bin1100011100101…
…1110100001110
310122020210120220
43013023310032
5101331340204
65103052210
71202551323
oct307136416
9118223526
1052215054
1127523a41
12155a1066
13aa826a8
146d12b4a
1548b61d9
hex31cbd0e

52215054 has 32 divisors (see below), whose sum is σ = 106284960. Its totient is φ = 17098752.

The previous prime is 52215049. The next prime is 52215071. The reversal of 52215054 is 45051225.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147742 + ... + 148094.

It is an arithmetic number, because the mean of its divisors is an integer number (3321405).

Almost surely, 252215054 is an apocalyptic number.

52215054 is an abundant number, since it is smaller than the sum of its proper divisors (54069906).

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

52215054 is a wasteful number, since it uses less digits than its factorization.

52215054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52215054 is about 7225.9984777192. The cubic root of 52215054 is about 373.7649537833.

Adding to 52215054 its reverse (45051225), we get a palindrome (97266279).

It can be divided in two parts, 522150 and 54, that multiplied together give a square (28196100 = 53102).

The spelling of 52215054 in words is "fifty-two million, two hundred fifteen thousand, fifty-four".

Divisors: 1 2 3 6 89 178 267 277 353 534 554 706 831 1059 1662 2118 24653 31417 49306 62834 73959 94251 97781 147918 188502 195562 293343 586686 8702509 17405018 26107527 52215054