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49970645 = 522744027
BaseRepresentation
bin1011111010011…
…1110111010101
310111000202211122
42332213313111
5100243030040
64543013325
71144513004
oct276476725
9114022748
1049970645
112623075a
121489a245
13a477c3a
1468cac3b
1545c11b5
hex2fa7dd5

49970645 has 8 divisors (see below), whose sum is σ = 60230304. Its totient is φ = 39799504.

The previous prime is 49970629. The next prime is 49970647. The reversal of 49970645 is 54607994.

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 49970645 - 24 = 49970629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49970596 and 49970605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49970647) 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, 20879 + ... + 23148.

It is an arithmetic number, because the mean of its divisors is an integer number (7528788).

Almost surely, 249970645 is an apocalyptic number.

It is an amenable number.

49970645 is a deficient number, since it is larger than the sum of its proper divisors (10259659).

49970645 is a wasteful number, since it uses less digits than its factorization.

49970645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44259.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 49970645 is about 7068.9917951572. The cubic root of 49970645 is about 368.3310392537.

The spelling of 49970645 in words is "forty-nine million, nine hundred seventy thousand, six hundred forty-five".

Divisors: 1 5 227 1135 44027 220135 9994129 49970645