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20078353 = 294714731
BaseRepresentation
bin100110010010…
…1111100010001
31101210002022201
41030211330101
520120001403
61554203201
7332443321
oct114457421
941702281
1020078353
1110374189
126883501
13420cca9
142949281
151b6921d
hex1325f11

20078353 has 8 divisors (see below), whose sum is σ = 21214080. Its totient is φ = 18972240.

The previous prime is 20078347. The next prime is 20078371. The reversal of 20078353 is 35387002.

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 20078353 - 213 = 20070161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20078393) 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, 6003 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (2651760).

Almost surely, 220078353 is an apocalyptic number.

It is an amenable number.

20078353 is a deficient number, since it is larger than the sum of its proper divisors (1135727).

20078353 is a wasteful number, since it uses less digits than its factorization.

20078353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20078353 is about 4480.8875236944. The cubic root of 20078353 is about 271.7957710387.

The spelling of 20078353 in words is "twenty million, seventy-eight thousand, three hundred fifty-three".

Divisors: 1 29 47 1363 14731 427199 692357 20078353