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1242001048 = 23155250131
BaseRepresentation
bin100101000000111…
…0110111010011000
310012120001012010211
41022001312322120
510020423013143
6323124220504
742530556211
oct11201667230
93176035124
101242001048
11588093852
122a7b3a734
1316a40ba82
14bad44408
157408549d
hex4a076e98

1242001048 has 8 divisors (see below), whose sum is σ = 2328751980. Its totient is φ = 621000520.

The previous prime is 1242001027. The next prime is 1242001051. The reversal of 1242001048 is 8401002421.

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

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, 77625058 + ... + 77625073.

Almost surely, 21242001048 is an apocalyptic number.

It is an amenable number.

1242001048 is a deficient number, since it is larger than the sum of its proper divisors (1086750932).

1242001048 is a wasteful number, since it uses less digits than its factorization.

1242001048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155250137 (or 155250133 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1242001048 is about 35242.0352420231. The cubic root of 1242001048 is about 1074.9146636424.

Adding to 1242001048 its reverse (8401002421), we get a palindrome (9643003469).

The spelling of 1242001048 in words is "one billion, two hundred forty-two million, one thousand, forty-eight".

Divisors: 1 2 4 8 155250131 310500262 621000524 1242001048