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52215032 = 236526879
BaseRepresentation
bin1100011100101…
…1110011111000
310122020210120002
43013023303320
5101331340112
65103052132
71202551262
oct307136370
9118223502
1052215032
1127523a21
12155a1048
13aa8268c
146d12b32
1548b61c2
hex31cbcf8

52215032 has 8 divisors (see below), whose sum is σ = 97903200. Its totient is φ = 26107512.

The previous prime is 52215019. The next prime is 52215049. The reversal of 52215032 is 23051225.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×522150322 = 5452819133522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52214995 and 52215013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3263432 + ... + 3263447.

It is an arithmetic number, because the mean of its divisors is an integer number (12237900).

Almost surely, 252215032 is an apocalyptic number.

It is an amenable number.

52215032 is a deficient number, since it is larger than the sum of its proper divisors (45688168).

52215032 is a wasteful number, since it uses less digits than its factorization.

52215032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526885 (or 6526881 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52215032 is about 7225.9969554381. The cubic root of 52215032 is about 373.7649012899.

Adding to 52215032 its reverse (23051225), we get a palindrome (75266257).

The spelling of 52215032 in words is "fifty-two million, two hundred fifteen thousand, thirty-two".

Divisors: 1 2 4 8 6526879 13053758 26107516 52215032