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61698414 = 2310283069
BaseRepresentation
bin1110101101011…
…1000101101110
311022002121022110
43223113011232
5111243322124
610042224450
71346266521
oct353270556
9138077273
1061698414
1131910a28
12187b5126
13ca2304b
1482a0bb8
15563b029
hex3ad716e

61698414 has 8 divisors (see below), whose sum is σ = 123396840. Its totient is φ = 20566136.

The previous prime is 61698407. The next prime is 61698419. The reversal of 61698414 is 41489616.

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

61698414 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61698419) 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, 5141529 + ... + 5141540.

It is an arithmetic number, because the mean of its divisors is an integer number (15424605).

Almost surely, 261698414 is an apocalyptic number.

61698414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61698414 is a wasteful number, since it uses less digits than its factorization.

61698414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283074.

The product of its digits is 41472, while the sum is 39.

The square root of 61698414 is about 7854.8337983690. The cubic root of 61698414 is about 395.1463731413.

The spelling of 61698414 in words is "sixty-one million, six hundred ninety-eight thousand, four hundred fourteen".

Divisors: 1 2 3 6 10283069 20566138 30849207 61698414