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2997642 = 23499607
BaseRepresentation
bin1011011011110110001010
312122021222210
423123312022
51231411032
6144125550
734323324
oct13336612
95567883
102997642
11176819a
1210068b6
1380c56b
14580614
153e32cc
hex2dbd8a

2997642 has 8 divisors (see below), whose sum is σ = 5995296. Its totient is φ = 999212.

The previous prime is 2997641. The next prime is 2997653. The reversal of 2997642 is 2467992.

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

2997642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2997642.

It is not an unprimeable number, because it can be changed into a prime (2997641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249798 + ... + 249809.

It is an arithmetic number, because the mean of its divisors is an integer number (749412).

22997642 is an apocalyptic number.

2997642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2997642 is a wasteful number, since it uses less digits than its factorization.

2997642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499612.

The product of its digits is 54432, while the sum is 39.

The square root of 2997642 is about 1731.3699777922. The cubic root of 2997642 is about 144.1871601875.

The spelling of 2997642 in words is "two million, nine hundred ninety-seven thousand, six hundred forty-two".

Divisors: 1 2 3 6 499607 999214 1498821 2997642