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2942490 = 235432281
BaseRepresentation
bin1011001110011000011010
312112111100010
423032120122
51223124430
6143022350
734003455
oct13163032
95474303
102942490
11172a811
12b9a9b6
137c0425
1456849c
153d1cb0
hex2ce61a

2942490 has 32 divisors (see below), whose sum is σ = 7229376. Its totient is φ = 766080.

The previous prime is 2942477. The next prime is 2942503. The reversal of 2942490 is 942492.

2942490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2942477) and next prime (2942503).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (225918).

22942490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2942490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614688).

2942490 is an abundant number, since it is smaller than the sum of its proper divisors (4286886).

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

2942490 is a wasteful number, since it uses less digits than its factorization.

2942490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2942490 is about 1715.3687650182. The cubic root of 2942490 is about 143.2974070165.

The spelling of 2942490 in words is "two million, nine hundred forty-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 2281 4562 6843 11405 13686 22810 34215 68430 98083 196166 294249 490415 588498 980830 1471245 2942490