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2972442 = 2311291553
BaseRepresentation
bin1011010101101100011010
312121000102110
423111230122
51230104232
6143413150
734160004
oct13255432
95530373
102972442
111750270
12bb41b6
13800c55
14575374
153daacc
hex2d5b1a

2972442 has 32 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 869120.

The previous prime is 2972429. The next prime is 2972447. The reversal of 2972442 is 2442792.

It is a super-2 number, since 2×29724422 = 17670822886728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2972447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

22972442 is an apocalyptic number.

2972442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2972442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3356640).

2972442 is an abundant number, since it is smaller than the sum of its proper divisors (3740838).

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

2972442 is a wasteful number, since it uses less digits than its factorization.

2972442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its digits is 8064, while the sum is 30.

The square root of 2972442 is about 1724.0771444457. The cubic root of 2972442 is about 143.7819810382.

The spelling of 2972442 in words is "two million, nine hundred seventy-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1553 1914 3106 4659 9318 17083 34166 45037 51249 90074 102498 135111 270222 495407 990814 1486221 2972442