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1242530196 = 223234501921
BaseRepresentation
bin100101000001111…
…1000000110010100
310012121001001222220
41022003320012110
510021041431241
6323143422340
742535222005
oct11203700624
93177031886
101242530196
11588415366
122a81549b0
1316a56588b
14bb0411ac
157413c166
hex4a0f8194

1242530196 has 24 divisors (see below), whose sum is σ = 3025291584. Its totient is φ = 396168960.

The previous prime is 1242530183. The next prime is 1242530197. The reversal of 1242530196 is 6910352421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242530197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250685 + ... + 2251236.

It is an arithmetic number, because the mean of its divisors is an integer number (126053816).

Almost surely, 21242530196 is an apocalyptic number.

It is an amenable number.

1242530196 is an abundant number, since it is smaller than the sum of its proper divisors (1782761388).

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

1242530196 is a wasteful number, since it uses less digits than its factorization.

1242530196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501951 (or 4501949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1242530196 is about 35249.5417842559. The cubic root of 1242530196 is about 1075.0672958773.

The spelling of 1242530196 in words is "one billion, two hundred forty-two million, five hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 4501921 9003842 13505763 18007684 27011526 54023052 103544183 207088366 310632549 414176732 621265098 1242530196