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20230877 = 191064783
BaseRepresentation
bin100110100101…
…1001011011101
31102001211112202
41031023023131
520134342002
62001341245
7333650102
oct115131335
942054482
1020230877
1110468837
126937825
134264544
142988aa9
151b99502
hex134b2dd

20230877 has 4 divisors (see below), whose sum is σ = 21295680. Its totient is φ = 19166076.

The previous prime is 20230853. The next prime is 20230883. The reversal of 20230877 is 77803202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20230877 - 28 = 20230621 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 (20233877) 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, 532373 + ... + 532410.

It is an arithmetic number, because the mean of its divisors is an integer number (5323920).

Almost surely, 220230877 is an apocalyptic number.

It is an amenable number.

20230877 is a deficient number, since it is larger than the sum of its proper divisors (1064803).

20230877 is a wasteful number, since it uses less digits than its factorization.

20230877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064802.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20230877 is about 4497.8747203540. The cubic root of 20230877 is about 272.4822624035.

The spelling of 20230877 in words is "twenty million, two hundred thirty thousand, eight hundred seventy-seven".

Divisors: 1 19 1064783 20230877