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1122420352 = 278768909
BaseRepresentation
bin100001011100110…
…1100011010000000
32220020000212021011
41002321230122000
54244314422402
6303213210304
736546262354
oct10271543200
92806025234
101122420352
11526639029
12273a90994
1314b700971
14a90d7464
1568813ed7
hex42e6c680

1122420352 has 16 divisors (see below), whose sum is σ = 2236072050. Its totient is φ = 561210112.

The previous prime is 1122420347. The next prime is 1122420407. The reversal of 1122420352 is 2530242211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 670602816 + 451817536 = 25896^2 + 21256^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4384327 + ... + 4384582.

Almost surely, 21122420352 is an apocalyptic number.

It is an amenable number.

1122420352 is a deficient number, since it is larger than the sum of its proper divisors (1113651698).

1122420352 is an frugal number, since it uses more digits than its factorization.

1122420352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768923 (or 8768911 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1122420352 is about 33502.5424706842. The cubic root of 1122420352 is about 1039.2463573530.

Adding to 1122420352 its reverse (2530242211), we get a palindrome (3652662563).

The spelling of 1122420352 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 8768909 17537818 35075636 70151272 140302544 280605088 561210176 1122420352