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1242610630 = 25124261063
BaseRepresentation
bin100101000010000…
…1011101111000110
310012121012011022221
41022010023233012
510021102020010
6323145242554
742536005342
oct11204135706
93177164287
101242610630
1158846a838
122a819345a
1316a593381
14bb062622
1574155dda
hex4a10bbc6

1242610630 has 8 divisors (see below), whose sum is σ = 2236699152. Its totient is φ = 497044248.

The previous prime is 1242610619. The next prime is 1242610637. The reversal of 1242610630 is 360162421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242610595 and 1242610604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242610637) 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, 62130522 + ... + 62130541.

It is an arithmetic number, because the mean of its divisors is an integer number (279587394).

Almost surely, 21242610630 is an apocalyptic number.

1242610630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242610630 is a deficient number, since it is larger than the sum of its proper divisors (994088522).

1242610630 is a wasteful number, since it uses less digits than its factorization.

1242610630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124261070.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1242610630 is about 35250.6826884246. The cubic root of 1242610630 is about 1075.0904931933.

The spelling of 1242610630 in words is "one billion, two hundred forty-two million, six hundred ten thousand, six hundred thirty".

Divisors: 1 2 5 10 124261063 248522126 621305315 1242610630