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2972192 = 25293317
BaseRepresentation
bin1011010101101000100000
312121000002012
423111220200
51230102232
6143412052
734156166
oct13255040
95530065
102972192
111750063
12bb4028
13800ac2
14575236
153da9b2
hex2d5a20

2972192 has 24 divisors (see below), whose sum is σ = 5889996. Its totient is φ = 1476352.

The previous prime is 2972183. The next prime is 2972197. The reversal of 2972192 is 2912792.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 16 = 1724^2 + 4^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2972197) 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, 9218 + ... + 9534.

22972192 is an apocalyptic number.

It is an amenable number.

2972192 is a deficient number, since it is larger than the sum of its proper divisors (2917804).

2972192 is a wasteful number, since it uses less digits than its factorization.

2972192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 612 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 2972192 is about 1724.0046403650. The cubic root of 2972192 is about 143.7779499527. Note that the first 3 decimals are identical.

The spelling of 2972192 in words is "two million, nine hundred seventy-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 293 317 586 634 1172 1268 2344 2536 4688 5072 9376 10144 92881 185762 371524 743048 1486096 2972192