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1242506708 = 22641484597
BaseRepresentation
bin100101000001111…
…0010010111010100
310012120222212202222
41022003302113110
510021040203313
6323143121512
742535063352
oct11203622724
93176885688
101242506708
115883a9753
122a8143298
1316a557c91
14bb0367d2
1574135208
hex4a0f25d4

1242506708 has 12 divisors (see below), whose sum is σ = 2177783412. Its totient is φ = 620282880.

The previous prime is 1242506701. The next prime is 1242506737. The reversal of 1242506708 is 8076052421.

It can be written as a sum of positive squares in 2 ways, for example, as 852523204 + 389983504 = 29198^2 + 19748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242506701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239735 + ... + 244862.

It is an arithmetic number, because the mean of its divisors is an integer number (181481951).

Almost surely, 21242506708 is an apocalyptic number.

It is an amenable number.

1242506708 is a deficient number, since it is larger than the sum of its proper divisors (935276704).

1242506708 is a wasteful number, since it uses less digits than its factorization.

1242506708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485242 (or 485240 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1242506708 is about 35249.2086152299. The cubic root of 1242506708 is about 1075.0605217053.

The spelling of 1242506708 in words is "one billion, two hundred forty-two million, five hundred six thousand, seven hundred eight".

Divisors: 1 2 4 641 1282 2564 484597 969194 1938388 310626677 621253354 1242506708