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61436630 = 256143663
BaseRepresentation
bin1110101001011…
…1001011010110
311021121022012202
43222113023112
5111211433010
610032444502
71344126353
oct352271326
9137538182
1061436630
1131752282
12186a9732
13c960b48
14823362a
1555d86a5
hex3a972d6

61436630 has 8 divisors (see below), whose sum is σ = 110585952. Its totient is φ = 24574648.

The previous prime is 61436629. The next prime is 61436653. The reversal of 61436630 is 3663416.

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 = 61436593 and 61436602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071822 + ... + 3071841.

It is an arithmetic number, because the mean of its divisors is an integer number (13823244).

Almost surely, 261436630 is an apocalyptic number.

61436630 is a deficient number, since it is larger than the sum of its proper divisors (49149322).

61436630 is a wasteful number, since it uses less digits than its factorization.

61436630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143670.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 61436630 is about 7838.1522057179. The cubic root of 61436630 is about 394.5867172343.

The spelling of 61436630 in words is "sixty-one million, four hundred thirty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 6143663 12287326 30718315 61436630