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49780785 = 353318719
BaseRepresentation
bin1011110111100…
…1100000110001
310110200010101210
42331321200301
5100220441120
64534550333
71143062325
oct275714061
9113603353
1049780785
112611104a
12148083a9
13a40c6b2
14687b985
154584ce0
hex2f79831

49780785 has 8 divisors (see below), whose sum is σ = 79649280. Its totient is φ = 26549744.

The previous prime is 49780781. The next prime is 49780793. The reversal of 49780785 is 58708794.

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 49780785 - 22 = 49780781 is a prime.

It is a super-4 number, since 4×497807854 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (49780781) 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, 1659345 + ... + 1659374.

It is an arithmetic number, because the mean of its divisors is an integer number (9956160).

Almost surely, 249780785 is an apocalyptic number.

It is an amenable number.

49780785 is a deficient number, since it is larger than the sum of its proper divisors (29868495).

49780785 is a wasteful number, since it uses less digits than its factorization.

49780785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318727.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 49780785 is about 7055.5499431299. The cubic root of 49780785 is about 367.8639644678.

The spelling of 49780785 in words is "forty-nine million, seven hundred eighty thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 3318719 9956157 16593595 49780785