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197802023 = 672952269
BaseRepresentation
bin10111100101000…
…11100000100111
3111210012101100212
423302203200213
5401114131043
631343330035
74621201166
oct1362434047
9453171325
10197802023
11a1721651
12562b091b
1331c97a23
141c3ad3dd
1512573018
hexbca3827

197802023 has 4 divisors (see below), whose sum is σ = 200754360. Its totient is φ = 194849688.

The previous prime is 197802013. The next prime is 197802067. The reversal of 197802023 is 320208791.

197802023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197802023 - 28 = 197801767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197802013) 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, 1476068 + ... + 1476201.

It is an arithmetic number, because the mean of its divisors is an integer number (50188590).

Almost surely, 2197802023 is an apocalyptic number.

197802023 is a deficient number, since it is larger than the sum of its proper divisors (2952337).

197802023 is an equidigital number, since it uses as much as digits as its factorization.

197802023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952336.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 197802023 is about 14064.2107137230. The cubic root of 197802023 is about 582.6533435554.

The spelling of 197802023 in words is "one hundred ninety-seven million, eight hundred two thousand, twenty-three".

Divisors: 1 67 2952269 197802023