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61435423 = 712596971
BaseRepresentation
bin1110101001011…
…0111000011111
311021121020120001
43222112320133
5111211413143
610032435131
71344123010
oct352267037
9137536501
1061435423
1131751385
12186a8aa7
13c96042a
148233007
1555d814d
hex3a96e1f

61435423 has 8 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 52609560.

The previous prime is 61435421. The next prime is 61435447. The reversal of 61435423 is 32453416.

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

It is a cyclic number.

It is not a de Polignac number, because 61435423 - 21 = 61435421 is a prime.

It is a super-2 number, since 2×614354232 = 7548622398377858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61435391 and 61435400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435421) 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, 5328 + ... + 12298.

It is an arithmetic number, because the mean of its divisors is an integer number (8784720).

Almost surely, 261435423 is an apocalyptic number.

61435423 is a deficient number, since it is larger than the sum of its proper divisors (8842337).

61435423 is a wasteful number, since it uses less digits than its factorization.

61435423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237.

The product of its digits is 8640, while the sum is 28.

The square root of 61435423 is about 7838.0752101520. The cubic root of 61435423 is about 394.5841331663.

Adding to 61435423 its reverse (32453416), we get a palindrome (93888839).

The spelling of 61435423 in words is "sixty-one million, four hundred thirty-five thousand, four hundred twenty-three".

Divisors: 1 7 1259 6971 8813 48797 8776489 61435423