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1214616052 = 221353440717
BaseRepresentation
bin100100001100101…
…1001000111110100
310010122111212222201
41020121121013310
54441420203202
6320305234244
742046031446
oct11031310764
93118455881
101214616052
1157368a021
1229a932984
13164841130
14b7456496
1571976387
hex486591f4

1214616052 has 24 divisors (see below), whose sum is σ = 2332279656. Its totient is φ = 550013568.

The previous prime is 1214616043. The next prime is 1214616061. The reversal of 1214616052 is 2506164121.

It is an interprime number because it is at equal distance from previous prime (1214616043) and next prime (1214616061).

It can be written as a sum of positive squares in 4 ways, for example, as 154853136 + 1059762916 = 12444^2 + 32554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1214616052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217603 + ... + 223114.

It is an arithmetic number, because the mean of its divisors is an integer number (97178319).

Almost surely, 21214616052 is an apocalyptic number.

It is an amenable number.

1214616052 is a deficient number, since it is larger than the sum of its proper divisors (1117663604).

1214616052 is a wasteful number, since it uses less digits than its factorization.

1214616052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440787 (or 440785 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1214616052 is about 34851.3421836233. The cubic root of 1214616052 is about 1066.9555793348.

The spelling of 1214616052 in words is "one billion, two hundred fourteen million, six hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 13 26 52 53 106 212 689 1378 2756 440717 881434 1762868 5729321 11458642 22917284 23358001 46716002 93432004 303654013 607308026 1214616052