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1242203032 = 23722182197
BaseRepresentation
bin100101000001010…
…1000001110011000
310012120102110012201
41022002220032120
510021000444112
6323132415544
742532360120
oct11202501630
93176373181
101242203032
11588211584
122a80175b4
1316a47c9a5
14bad97c80
15740c5257
hex4a0a8398

1242203032 has 16 divisors (see below), whose sum is σ = 2661863760. Its totient is φ = 532372704.

The previous prime is 1242203009. The next prime is 1242203057. The reversal of 1242203032 is 2303022421.

It is a super-3 number, since 3×12422030323 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11091043 + ... + 11091154.

It is an arithmetic number, because the mean of its divisors is an integer number (166366485).

Almost surely, 21242203032 is an apocalyptic number.

It is an amenable number.

1242203032 is an abundant number, since it is smaller than the sum of its proper divisors (1419660728).

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

1242203032 is a wasteful number, since it uses less digits than its factorization.

1242203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182210 (or 22182206 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1242203032 is about 35244.9007942993. The cubic root of 1242203032 is about 1074.9729308489.

Adding to 1242203032 its reverse (2303022421), we get a palindrome (3545225453).

The spelling of 1242203032 in words is "one billion, two hundred forty-two million, two hundred three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 22182197 44364394 88728788 155275379 177457576 310550758 621101516 1242203032