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12420610 = 251242061
BaseRepresentation
bin101111011000…
…011000000010
3212101000212121
4233120120002
511134424420
61122114454
7210400456
oct57303002
925330777
1012420610
117013874
1241aba2a
13275b597
141914666
1511552aa
hexbd8602

12420610 has 8 divisors (see below), whose sum is σ = 22357116. Its totient is φ = 4968240.

The previous prime is 12420607. The next prime is 12420619. The reversal of 12420610 is 1602421.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 37249 = 3519^2 + 193^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12420619) 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, 621021 + ... + 621040.

Almost surely, 212420610 is an apocalyptic number.

12420610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420610 is a deficient number, since it is larger than the sum of its proper divisors (9936506).

12420610 is a wasteful number, since it uses less digits than its factorization.

12420610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242068.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12420610 is about 3524.2885806926. The cubic root of 12420610 is about 231.5870701714.

The spelling of 12420610 in words is "twelve million, four hundred twenty thousand, six hundred ten".

Divisors: 1 2 5 10 1242061 2484122 6210305 12420610