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1242415000 = 2354248483
BaseRepresentation
bin100101000001101…
…1011111110011000
310012120211012222101
41022003123332120
510021024240000
6323141133144
742534232111
oct11203337630
93176735871
101242415000
11588346862
122a80ba1b4
1316a525308
14bb011208
1574117e6a
hex4a0dbf98

1242415000 has 40 divisors (see below), whose sum is σ = 2910990060. Its totient is φ = 496964000.

The previous prime is 1242414977. The next prime is 1242415003. The reversal of 1242415000 is 5142421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242415003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119242 + ... + 129241.

Almost surely, 21242415000 is an apocalyptic number.

1242415000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242415000 is an abundant number, since it is smaller than the sum of its proper divisors (1668575060).

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

1242415000 is an equidigital number, since it uses as much as digits as its factorization.

1242415000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248509 (or 248490 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1242415000 is about 35247.9077393255. The cubic root of 1242415000 is about 1075.0340713917.

Adding to 1242415000 its reverse (5142421), we get a palindrome (1247557421).

The spelling of 1242415000 in words is "one billion, two hundred forty-two million, four hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 248483 496966 993932 1242415 1987864 2484830 4969660 6212075 9939320 12424150 24848300 31060375 49696600 62120750 124241500 155301875 248483000 310603750 621207500 1242415000