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20151052 = 2217401739
BaseRepresentation
bin100110011011…
…1101100001100
31101220210001021
41030313230030
520124313202
61555523524
7333165265
oct114675414
941823037
1020151052
1110413869
1268b95a4
1342370cc
14296796c
151b80a37
hex1337b0c

20151052 has 24 divisors (see below), whose sum is σ = 37482480. Its totient is φ = 9446400.

The previous prime is 20151041. The next prime is 20151067. The reversal of 20151052 is 25015102.

It is an unprimeable number.

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, 26899 + ... + 27637.

It is an arithmetic number, because the mean of its divisors is an integer number (1561770).

Almost surely, 220151052 is an apocalyptic number.

It is an amenable number.

20151052 is a deficient number, since it is larger than the sum of its proper divisors (17331428).

20151052 is a wasteful number, since it uses less digits than its factorization.

20151052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 20151052 is about 4488.9923145401. The cubic root of 20151052 is about 272.1234121341.

Adding to 20151052 its reverse (25015102), we get a palindrome (45166154).

The spelling of 20151052 in words is "twenty million, one hundred fifty-one thousand, fifty-two".

Divisors: 1 2 4 17 34 68 401 739 802 1478 1604 2956 6817 12563 13634 25126 27268 50252 296339 592678 1185356 5037763 10075526 20151052