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2022987 = 31935491
BaseRepresentation
bin111101101111001001011
310210210000110
413231321023
51004213422
6111205403
723123631
oct7557113
93723013
102022987
11116199a
12816863
1355aa45
143a9351
1529e60c
hex1ede4b

2022987 has 8 divisors (see below), whose sum is σ = 2839360. Its totient is φ = 1277640.

The previous prime is 2022971. The next prime is 2022989. The reversal of 2022987 is 7892202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2022987 - 24 = 2022971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2022989) 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, 17689 + ... + 17802.

It is an arithmetic number, because the mean of its divisors is an integer number (354920).

22022987 is an apocalyptic number.

2022987 is a deficient number, since it is larger than the sum of its proper divisors (816373).

2022987 is a wasteful number, since it uses less digits than its factorization.

2022987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35513.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2022987 is about 1422.3174751088. The cubic root of 2022987 is about 126.4729641692.

The spelling of 2022987 in words is "two million, twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 3 19 57 35491 106473 674329 2022987